Merge pull request #807 from Hexastack/feat/block-outcome

Feat/block outcome

api/src/chat/controllers/block.controller.spec.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2024 Hexastack. All rights reserved.
+ * Copyright © 2025 Hexastack. All rights reserved.
  *
  * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
  * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
@@ -251,6 +251,7 @@ describe('BlockController', () => {
         name: 'block with nextBlocks',
         nextBlocks: [hasNextBlocks.id],
         patterns: ['Hi'],
+        outcomes: [],
         trigger_labels: [],
         assign_labels: [],
         trigger_channels: [],

api/src/chat/dto/block.dto.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2024 Hexastack. All rights reserved.
+ * Copyright © 2025 Hexastack. All rights reserved.
  *
  * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
  * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
@@ -45,6 +45,14 @@ export class BlockCreateDto {
   @IsPatternList({ message: 'Patterns list is invalid' })
   patterns?: Pattern[] = [];
 
+  @ApiPropertyOptional({
+    description: "Block's outcomes",
+    type: Array,
+  })
+  @IsOptional()
+  @IsArray({ message: 'Outcomes are invalid' })
+  outcomes?: string[] = [];
+
   @ApiPropertyOptional({ description: 'Block trigger labels', type: Array })
   @IsOptional()
   @IsArray()
@@ -120,6 +128,7 @@ export class BlockCreateDto {
 export class BlockUpdateDto extends PartialType(
   OmitType(BlockCreateDto, [
     'patterns',
+    'outcomes',
     'trigger_labels',
     'assign_labels',
     'trigger_channels',
@@ -130,6 +139,14 @@ export class BlockUpdateDto extends PartialType(
   @IsPatternList({ message: 'Patterns list is invalid' })
   patterns?: Pattern[];
 
+  @ApiPropertyOptional({
+    description: "Block's outcomes",
+    type: Array,
+  })
+  @IsOptional()
+  @IsArray({ message: 'Outcomes are invalid' })
+  outcomes?: string[];
+
   @ApiPropertyOptional({ description: 'Block trigger labels', type: Array })
   @IsOptional()
   @IsArray()

api/src/chat/schemas/block.schema.ts

@@ -42,6 +42,12 @@ export class BlockStub extends BaseSchema {
   })
   patterns: Pattern[];
 
+  @Prop({
+    type: Object,
+    default: [],
+  })
+  outcomes: string[];
+
   @Prop([
     {
       type: MongooseSchema.Types.ObjectId,

api/src/chat/schemas/types/button.ts

@@ -40,4 +40,5 @@ export enum PayloadType {
   attachments = 'attachments',
   quick_reply = 'quick_reply',
   button = 'button',
+  outcome = 'outcome',
 }

api/src/chat/schemas/types/message.ts

@@ -6,14 +6,6 @@
  * 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
  */
 
-/*
- * Copyright © 2025 Hexastack. All rights reserved.
- *
- * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
- * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
- * 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
- */
-
 import { z } from 'zod';
 
 import { PluginName } from '@/plugins/types';
@@ -62,6 +54,7 @@ export enum OutgoingMessageFormat {
   attachment = 'attachment',
   list = 'list',
   carousel = 'carousel',
+  system = 'system',
 }
 
 export const outgoingMessageFormatSchema = z.nativeEnum(OutgoingMessageFormat);
@@ -147,6 +140,15 @@ export type StdOutgoingAttachmentMessage = z.infer<
   typeof stdOutgoingAttachmentMessageSchema
 >;
 
+export const stdOutgoingSystemMessageSchema = z.object({
+  outcome: z.string().optional(), // "any" or any other string (in snake case)
+  data: z.any().optional(),
+});
+
+export type StdOutgoingSystemMessage = z.infer<
+  typeof stdOutgoingSystemMessageSchema
+>;
+
 export const pluginNameSchema = z
   .string()
   .regex(/-plugin$/) as z.ZodType<PluginName>;
@@ -290,7 +292,16 @@ export type StdOutgoingAttachmentEnvelope = z.infer<
   typeof stdOutgoingAttachmentEnvelopeSchema
 >;
 
-export const stdOutgoingEnvelopeSchema = z.union([
+export const stdOutgoingSystemEnvelopeSchema = z.object({
+  format: z.literal(OutgoingMessageFormat.system),
+  message: stdOutgoingSystemMessageSchema,
+});
+
+export type StdOutgoingSystemEnvelope = z.infer<
+  typeof stdOutgoingSystemEnvelopeSchema
+>;
+
+export const stdOutgoingMessageEnvelopeSchema = z.union([
   stdOutgoingTextEnvelopeSchema,
   stdOutgoingQuickRepliesEnvelopeSchema,
   stdOutgoingButtonsEnvelopeSchema,
@@ -298,6 +309,15 @@ export const stdOutgoingEnvelopeSchema = z.union([
   stdOutgoingAttachmentEnvelopeSchema,
 ]);
 
+export type StdOutgoingMessageEnvelope = z.infer<
+  typeof stdOutgoingMessageEnvelopeSchema
+>;
+
+export const stdOutgoingEnvelopeSchema = z.union([
+  stdOutgoingMessageEnvelopeSchema,
+  stdOutgoingSystemEnvelopeSchema,
+]);
+
 export type StdOutgoingEnvelope = z.infer<typeof stdOutgoingEnvelopeSchema>;
 
 // is-valid-message-text validation

api/src/chat/services/block.service.ts

@@ -11,6 +11,7 @@ import { OnEvent } from '@nestjs/event-emitter';
 
 import { AttachmentService } from '@/attachment/services/attachment.service';
 import EventWrapper from '@/channel/lib/EventWrapper';
+import { ChannelName } from '@/channel/types';
 import { ContentService } from '@/cms/services/content.service';
 import { CONSOLE_CHANNEL_NAME } from '@/extensions/channels/console/settings';
 import { NLU } from '@/helper/types';
@@ -27,11 +28,13 @@ import { BlockDto } from '../dto/block.dto';
 import { BlockRepository } from '../repositories/block.repository';
 import { Block, BlockFull, BlockPopulate } from '../schemas/block.schema';
 import { Label } from '../schemas/label.schema';
+import { Subscriber } from '../schemas/subscriber.schema';
 import { Context } from '../schemas/types/context';
 import {
   BlockMessage,
   OutgoingMessageFormat,
   StdOutgoingEnvelope,
+  StdOutgoingSystemEnvelope,
 } from '../schemas/types/message';
 import { NlpPattern, PayloadPattern } from '../schemas/types/pattern';
 import { Payload, StdQuickReply } from '../schemas/types/quick-reply';
@@ -57,10 +60,75 @@ export class BlockService extends BaseService<
     super(repository);
   }
 
+  /**
+   * Filters an array of blocks based on the specified channel.
+   *
+   * This function ensures that only blocks that are either:
+   * - Not restricted to specific trigger channels (`trigger_channels` is undefined or empty), or
+   * - Explicitly allow the given channel (or the console channel)
+   *
+   * are included in the returned array.
+   *
+   * @param blocks - The list of blocks to be filtered.
+   * @param channel - The name of the channel to filter blocks by.
+   *
+   * @returns The filtered array of blocks that are allowed for the given channel.
+   */
+  filterBlocksByChannel<B extends Block | BlockFull>(
+    blocks: B[],
+    channel: ChannelName,
+  ) {
+    return blocks.filter((b) => {
+      return (
+        !b.trigger_channels ||
+        b.trigger_channels.length === 0 ||
+        [...b.trigger_channels, CONSOLE_CHANNEL_NAME].includes(channel)
+      );
+    });
+  }
+
+  /**
+   * Filters an array of blocks based on subscriber labels.
+   *
+   * This function selects blocks that either:
+   * - Have no trigger labels (making them applicable to all subscribers), or
+   * - Contain at least one trigger label that matches a label from the provided list.
+   *
+   * The filtered blocks are then **sorted** in descending order by the number of trigger labels,
+   * ensuring that blocks with more specific targeting (more trigger labels) are prioritized.
+   *
+   * @param blocks - The list of blocks to be filtered.
+   * @param labels - The list of subscriber labels to match against.
+   * @returns The filtered and sorted list of blocks.
+   */
+  filterBlocksBySubscriberLabels<B extends Block | BlockFull>(
+    blocks: B[],
+    profile?: Subscriber,
+  ) {
+    if (!profile) {
+      return blocks;
+    }
+
+    return (
+      blocks
+        .filter((b) => {
+          const triggerLabels = b.trigger_labels.map((l) =>
+            typeof l === 'string' ? l : l.id,
+          );
+          return (
+            triggerLabels.length === 0 ||
+            triggerLabels.some((l) => profile.labels.includes(l))
+          );
+        })
+        // Priority goes to block who target users with labels
+        .sort((a, b) => b.trigger_labels.length - a.trigger_labels.length)
+    );
+  }
+
   /**
    * Find a block whose patterns matches the received event
    *
-   * @param blocks blocks Starting/Next blocks in the conversation flow
+   * @param filteredBlocks blocks Starting/Next blocks in the conversation flow
    * @param event Received channel's message
    *
    * @returns The block that matches
@@ -77,37 +145,15 @@ export class BlockService extends BaseService<
     let block: BlockFull | undefined = undefined;
     const payload = event.getPayload();
 
-    // Perform a filter on the specific channels
+    // Perform a filter to get the candidates blocks
-    const channel = event.getHandler().getName();
+    const filteredBlocks = this.filterBlocksBySubscriberLabels(
-    blocks = blocks.filter((b) => {
+      this.filterBlocksByChannel(blocks, event.getHandler().getName()),
-      return (
+      event.getSender(),
-        !b.trigger_channels ||
+    );
-        b.trigger_channels.length === 0 ||
-        [...b.trigger_channels, CONSOLE_CHANNEL_NAME].includes(channel)
-      );
-    });
-
-    // Perform a filter on trigger labels
-    let userLabels: string[] = [];
-    const profile = event.getSender();
-    if (profile && Array.isArray(profile.labels)) {
-      userLabels = profile.labels.map((l) => l);
-    }
-
-    blocks = blocks
-      .filter((b) => {
-        const trigger_labels = b.trigger_labels.map(({ id }) => id);
-        return (
-          trigger_labels.length === 0 ||
-          trigger_labels.some((l) => userLabels.includes(l))
-        );
-      })
-      // Priority goes to block who target users with labels
-      .sort((a, b) => b.trigger_labels.length - a.trigger_labels.length);
 
     // Perform a payload match & pick last createdAt
     if (payload) {
-      block = blocks
+      block = filteredBlocks
         .filter((b) => {
           return this.matchPayload(payload, b);
         })
@@ -131,7 +177,7 @@ export class BlockService extends BaseService<
       }
 
       // Perform a text pattern match
-      block = blocks
+      block = filteredBlocks
         .filter((b) => {
           return this.matchText(text, b);
         })
@@ -141,7 +187,7 @@ export class BlockService extends BaseService<
       if (!block && nlp) {
         // Find block pattern having the best match of nlp entities
         let nlpBest = 0;
-        blocks.forEach((b, index, self) => {
+        filteredBlocks.forEach((b, index, self) => {
           const nlpPattern = this.matchNLP(nlp, b);
           if (nlpPattern && nlpPattern.length > nlpBest) {
             nlpBest = nlpPattern.length;
@@ -295,6 +341,36 @@ export class BlockService extends BaseService<
     });
   }
 
+  /**
+   * Matches an outcome-based block from a list of available blocks
+   * based on the outcome of a system message.
+   *
+   * @param blocks - An array of blocks to search for a matching outcome.
+   * @param envelope - The system message envelope containing the outcome to match.
+   *
+   * @returns - Returns the first matching block if found, otherwise returns `undefined`.
+   */
+  matchOutcome(
+    blocks: Block[],
+    event: EventWrapper<any, any>,
+    envelope: StdOutgoingSystemEnvelope,
+  ) {
+    // Perform a filter to get the candidates blocks
+    const filteredBlocks = this.filterBlocksBySubscriberLabels(
+      this.filterBlocksByChannel(blocks, event.getHandler().getName()),
+      event.getSender(),
+    );
+    return filteredBlocks.find((b) => {
+      return b.patterns
+        .filter(
+          (p) => typeof p === 'object' && 'type' in p && p.type === 'outcome',
+        )
+        .some((p: PayloadPattern) =>
+          ['any', envelope.message.outcome].includes(p.value),
+        );
+    });
+  }
+
   /**
    * Replaces tokens with their context variables values in the provided text message
    *

api/src/chat/services/bot.service.spec.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2024 Hexastack. All rights reserved.
+ * Copyright © 2025 Hexastack. All rights reserved.
  *
  * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
  * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
@@ -201,7 +201,7 @@ describe('BlockService', () => {
 
     let hasBotSpoken = false;
     const clearMock = jest
-      .spyOn(botService, 'findBlockAndSendReply')
+      .spyOn(botService, 'triggerBlock')
       .mockImplementation(
         (
           actualEvent: WebEventWrapper<typeof WEB_CHANNEL_NAME>,

api/src/chat/services/bot.service.ts

@@ -21,8 +21,11 @@ import {
   getDefaultConversationContext,
 } from '../schemas/conversation.schema';
 import { Context } from '../schemas/types/context';
-import { IncomingMessageType } from '../schemas/types/message';
+import {
-import { SubscriberContext } from '../schemas/types/subscriberContext';
+  IncomingMessageType,
+  OutgoingMessageFormat,
+  StdOutgoingMessageEnvelope,
+} from '../schemas/types/message';
 
 import { BlockService } from './block.service';
 import { ConversationService } from './conversation.service';
@@ -40,40 +43,24 @@ export class BotService {
   ) {}
 
   /**
-   * Sends a processed message to the user based on a specified content block.
+   * Sends a message to the subscriber via the appropriate messaging channel and handles related events.
-   * Replaces tokens within the block with context data, handles fallback scenarios,
-   * and assigns relevant labels to the user.
    *
-   * @param event - The incoming message or action that triggered the bot's response.
+   * @param envelope - The outgoing message envelope containing the bot's response.
    * @param block - The content block containing the message and options to be sent.
    * @param context - Optional. The conversation context object, containing relevant data for personalization.
    * @param fallback - Optional. Boolean flag indicating if this is a fallback message when no appropriate response was found.
-   * @param conversationId - Optional. The conversation ID to link the message to a specific conversation thread.
-   *
-   * @returns A promise that resolves with the message response, including the message ID.
    */
   async sendMessageToSubscriber(
+    envelope: StdOutgoingMessageEnvelope,
     event: EventWrapper<any, any>,
     block: BlockFull,
     context?: Context,
     fallback?: boolean,
-    conservationId?: string,
   ) {
-    context = context || getDefaultConversationContext();
-    fallback = typeof fallback !== 'undefined' ? fallback : false;
     const options = block.options;
-    this.logger.debug('Sending message ... ', event.getSenderForeignId());
-    // Process message : Replace tokens with context data and then send the message
     const recipient = event.getSender();
-    const envelope = await this.blockService.processMessage(
-      block,
-      context,
-      recipient?.context as SubscriberContext,
-      fallback,
-      conservationId,
-    );
     // Send message through the right channel
-
+    this.logger.debug('Sending message ... ', event.getSenderForeignId());
     const response = await event
       .getHandler()
       .sendMessage(event, envelope, options, context);
@@ -114,35 +101,56 @@ export class BotService {
     );
 
     this.logger.debug('Assigned labels ', blockLabels);
-    return response;
   }
 
   /**
-   * Finds an appropriate reply block and sends it to the user.
+   * Processes and executes a block, handling its associated messages and flow logic.
-   * If there are additional blocks or attached blocks, it continues the conversation flow.
+   *
-   * Ends the conversation if no further blocks are available.
+   * The function performs the following steps:
+   * 1. Retrieves the conversation context and recipient information.
+   * 2. Generates an outgoing message envelope from the block.
+   * 3. Sends the message to the subscriber unless it's a system message.
+   * 4. Handles block chaining:
+   *    - If the block has an attached block, it recursively triggers the attached block.
+   *    - If the block has multiple possible next blocks, it determines the next block based on the outcome of the system message.
+   *    - If there are next blocks but no outcome-based matching, it updates the conversation state for the next steps.
+   * 5. If no further blocks exist, it ends the flow execution.
    *
    * @param event - The incoming message or action that initiated this response.
    * @param convo - The current conversation context and flow.
    * @param block - The content block to be processed and sent.
    * @param fallback - Boolean indicating if this is a fallback response in case no appropriate reply was found.
    *
-   * @returns A promise that continues or ends the conversation based on available blocks.
+   * @returns A promise that either continues or ends the flow execution based on the available blocks.
    */
-  async findBlockAndSendReply(
+  async triggerBlock(
     event: EventWrapper<any, any>,
     convo: Conversation,
     block: BlockFull,
-    fallback: boolean,
+    fallback: boolean = false,
   ) {
     try {
-      await this.sendMessageToSubscriber(
+      const context = convo.context || getDefaultConversationContext();
-        event,
+      const recipient = event.getSender();
+
+      const envelope = await this.blockService.processMessage(
         block,
-        convo.context,
+        context,
+        recipient?.context,
         fallback,
         convo.id,
       );
+
+      if (envelope.format !== OutgoingMessageFormat.system) {
+        await this.sendMessageToSubscriber(
+          envelope,
+          event,
+          block,
+          context,
+          fallback,
+        );
+      }
+
       if (block.attachedBlock) {
         // Sequential messaging ?
         try {
@@ -154,12 +162,7 @@ export class BotService {
               'No attached block to be found with id ' + block.attachedBlock,
             );
           }
-          return await this.findBlockAndSendReply(
+          return await this.triggerBlock(event, convo, attachedBlock, fallback);
-            event,
-            convo,
-            attachedBlock,
-            fallback,
-          );
         } catch (err) {
           this.logger.error('Unable to retrieve attached block', err);
           this.eventEmitter.emit('hook:conversation:end', convo, true);
@@ -168,20 +171,47 @@ export class BotService {
         Array.isArray(block.nextBlocks) &&
         block.nextBlocks.length > 0
       ) {
-        // Conversation continues : Go forward to next blocks
-        this.logger.debug('Conversation continues ...', convo.id);
-        const nextIds = block.nextBlocks.map(({ id }) => id);
         try {
-          await this.conversationService.updateOne(convo.id, {
+          if (envelope.format === OutgoingMessageFormat.system) {
-            current: block.id,
+            // System message: Trigger the next block based on the outcome
-            next: nextIds,
+            this.logger.debug(
-          });
+              'Matching the outcome against the next blocks ...',
+              convo.id,
+            );
+            const match = this.blockService.matchOutcome(
+              block.nextBlocks,
+              event,
+              envelope,
+            );
+
+            if (match) {
+              const nextBlock = await this.blockService.findOneAndPopulate(
+                match.id,
+              );
+              if (!nextBlock) {
+                throw new Error(
+                  'No attached block to be found with id ' +
+                    block.attachedBlock,
+                );
+              }
+              return await this.triggerBlock(event, convo, nextBlock, fallback);
+            } else {
+              this.logger.warn(
+                'Block outcome did not match any of the next blocks',
+                convo,
+              );
+            }
+          } else {
+            // Conversation continues : Go forward to next blocks
+            this.logger.debug('Conversation continues ...', convo.id);
+            const nextIds = block.nextBlocks.map(({ id }) => id);
+            await this.conversationService.updateOne(convo.id, {
+              current: block.id,
+              next: nextIds,
+            });
+          }
         } catch (err) {
-          this.logger.error(
+          this.logger.error('Unable to continue the flow', convo, err);
-            'Unable to update conversation when going next',
-            convo,
-            err,
-          );
           return;
         }
       } else {
@@ -275,12 +305,7 @@ export class BotService {
               // Otherwise, old captured const value may be replaced by another const value
               !fallback,
             );
-          await this.findBlockAndSendReply(
+          await this.triggerBlock(event, updatedConversation, next, fallback);
-            event,
-            updatedConversation,
-            next,
-            fallback,
-          );
         } catch (err) {
           this.logger.error('Unable to store context data!', err);
           return this.eventEmitter.emit('hook:conversation:end', convo, true);
@@ -376,12 +401,7 @@ export class BotService {
           subscriber.id,
           block.name,
         );
-        return this.findBlockAndSendReply(
+        return this.triggerBlock(event, updatedConversation, block, false);
-          event,
-          updatedConversation,
-          block,
-          false,
-        );
       } catch (err) {
         this.logger.error('Unable to store context data!', err);
         this.eventEmitter.emit('hook:conversation:end', convo, true);
@@ -459,7 +479,7 @@ export class BotService {
                 'No global fallback block defined, sending a message ...',
                 err,
               );
-              this.sendMessageToSubscriber(event, {
+              const globalFallbackBlock = {
                 id: 'global-fallback',
                 name: 'Global Fallback',
                 message: settings.chatbot_settings.fallback_message,
@@ -473,7 +493,19 @@ export class BotService {
                 createdAt: new Date(),
                 updatedAt: new Date(),
                 attachedBlock: null,
-              } as any as BlockFull);
+              } as any as BlockFull;
+
+              const envelope = await this.blockService.processMessage(
+                globalFallbackBlock,
+                getDefaultConversationContext(),
+                { vars: {} }, // @TODO: use subscriber ctx
+              );
+
+              await this.sendMessageToSubscriber(
+                envelope as StdOutgoingMessageEnvelope,
+                event,
+                globalFallbackBlock,
+              );
             }
           }
           // Do nothing ...

api/src/i18n/services/translation.service.spec.ts

@@ -136,6 +136,7 @@ describe('TranslationService', () => {
     const block: Block = {
       name: 'Ollama Plugin',
       patterns: [],
+      outcomes: [],
       assign_labels: [],
       trigger_channels: [],
       trigger_labels: [],

api/src/utils/test/fixtures/block.ts

@@ -35,6 +35,7 @@ export const blocks: TBlockFixtures['values'][] = [
   {
     name: 'hasNextBlocks',
     patterns: ['Hi'],
+    outcomes: [],
     category: null,
     options: {
       typing: 0,
@@ -53,6 +54,7 @@ export const blocks: TBlockFixtures['values'][] = [
   {
     name: 'hasPreviousBlocks',
     patterns: ['colors'],
+    outcomes: [],
     category: null,
     options: {
       typing: 0,
@@ -90,6 +92,7 @@ export const blocks: TBlockFixtures['values'][] = [
   {
     name: 'buttons',
     patterns: ['about'],
+    outcomes: [],
     category: null,
     options: {
       typing: 0,
@@ -127,6 +130,7 @@ export const blocks: TBlockFixtures['values'][] = [
   {
     name: 'attachment',
     patterns: ['image'],
+    outcomes: [],
     category: null,
     options: {
       typing: 0,
@@ -153,6 +157,7 @@ export const blocks: TBlockFixtures['values'][] = [
   {
     name: 'test',
     patterns: ['yes'],
+    outcomes: [],
     category: null,
     //to be verified
     options: {

frontend/public/locales/en/translation.json

@@ -247,6 +247,13 @@
     "triggers": "Triggers",
     "payloads": "Payloads",
     "general_payloads": "General Payloads",
+    "exact_match": "Exact Match",
+    "pattern_match": "Pattern Match",
+    "intent_match": "Intent Match",
+    "interaction": "Interaction",
+    "outcome_match": "Outcome Match",
+    "outcome": "Outcome",
+    "any_outcome": "Any Outcome",
     "capture": "Capture?",
     "context_var": "Context Var",
     "text_message": "Text message",

frontend/public/locales/fr/translation.json

@@ -247,6 +247,13 @@
     "triggers": "Déclencheurs",
     "payloads": "Payloads",
     "general_payloads": "Payloads généraux",
+    "exact_match": "Comparaison Exacte",
+    "pattern_match": "Expression Régulière",
+    "intent_match": "Intention",
+    "interaction": "Interaction",
+    "outcome": "Résultat",
+    "outcome_match": "Résultat",
+    "any_outcome": "N'importe quel résultat",
     "capture": "Capturer?",
     "context_var": "Variable contextuelle",
     "text_message": "Message texte",

frontend/src/components/visual-editor/BlockEditForm.tsx

@@ -59,6 +59,7 @@ export const BlockEditForm: FC<ComponentFormProps<IBlock>> = ({
   const DEFAULT_VALUES = {
     name: block?.name || "",
     patterns: block?.patterns || [],
+    outcomes: block?.outcomes || [],
     trigger_labels: block?.trigger_labels || [],
     trigger_channels: block?.trigger_channels || [],
     options: block?.options || {

frontend/src/components/visual-editor/form/PluginMessageForm.tsx

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2024 Hexastack. All rights reserved.
+ * Copyright © 2025 Hexastack. All rights reserved.
  *
  * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
  * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
@@ -16,6 +16,7 @@ import { useFind } from "@/hooks/crud/useFind";
 import { EntityType } from "@/services/types";
 import { IBlockAttributes } from "@/types/block.types";
 import { StdPluginMessage } from "@/types/message.types";
+import { getNamespace } from "@/utils/string";
 
 import { useBlock } from "./BlockFormProvider";
 
@@ -63,8 +64,7 @@ const PluginMessageForm = () => {
                 <SettingInput
                   setting={setting}
                   field={field}
-                  // @TODO : clean this later
+                  ns={getNamespace(message.plugin)}
-                  ns={message.plugin.replaceAll("-", "_")}
                 />
               </FormControl>
             )}

frontend/src/components/visual-editor/form/inputs/triggers/OutcomeInput.tsx

@@ -0,0 +1,150 @@
+/*
+ * Copyright © 2025 Hexastack. All rights reserved.
+ *
+ * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
+ * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
+ * 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
+ */
+
+import {
+  Autocomplete,
+  Box,
+  Chip,
+  InputAdornment,
+  Skeleton,
+  Typography,
+} from "@mui/material";
+import { useMemo, useState } from "react";
+
+import { Input } from "@/app-components/inputs/Input";
+import { useGetFromCache } from "@/hooks/crud/useGet";
+import { useTranslate } from "@/hooks/useTranslate";
+import { theme } from "@/layout/themes/theme";
+import { EntityType } from "@/services/types";
+import { IBlock, PayloadPattern } from "@/types/block.types";
+import { PayloadType } from "@/types/message.types";
+import { getNamespace } from "@/utils/string";
+
+import { useBlock } from "../../BlockFormProvider";
+
+type PayloadOption = PayloadPattern & {
+  group: string;
+};
+
+type OutcomeInputProps = {
+  defaultValue: PayloadPattern;
+  onChange: (pattern: PayloadPattern) => void;
+};
+
+export const OutcomeInput = ({ defaultValue, onChange }: OutcomeInputProps) => {
+  const block = useBlock();
+  const [selectedValue, setSelectedValue] = useState(defaultValue);
+  const getBlockFromCache = useGetFromCache(EntityType.BLOCK);
+  const { t } = useTranslate();
+  //  Gather previous blocks outcomes
+  const options = useMemo(
+    () =>
+      (block?.previousBlocks || [])
+        .map((b) => getBlockFromCache(b))
+        .filter((b) => b && Array.isArray(b.outcomes) && b.outcomes.length > 0)
+        .map((b) => b as IBlock)
+        .reduce(
+          (acc, b) => {
+            const outcomes = (b.outcomes || []).map((outcome) => ({
+              label: t(`label.${outcome}` as any, {
+                defaultValue: outcome,
+                ns:
+                  "plugin" in b.message
+                    ? getNamespace(b.message.plugin)
+                    : undefined,
+              }),
+              value: outcome,
+              group: b.name,
+              type: PayloadType.outcome,
+            }));
+
+            return acc.concat(outcomes);
+          },
+          [
+            {
+              label: t("label.any_outcome"),
+              value: "any",
+              type: PayloadType.outcome,
+              group: "general",
+            },
+          ] as PayloadOption[],
+        ),
+    [block?.previousBlocks, getBlockFromCache],
+  );
+  const isOptionsReady =
+    !defaultValue || options.find((o) => o.value === defaultValue.value);
+
+  if (!isOptionsReady) {
+    return (
+      <Skeleton animation="wave" variant="rounded" width="100%" height={40} />
+    );
+  }
+
+  const selected = defaultValue
+    ? options.find((o) => o.value === defaultValue.value)
+    : undefined;
+
+  return (
+    <Autocomplete
+      size="small"
+      fullWidth
+      defaultValue={selected || undefined}
+      value={selected}
+      options={options}
+      multiple={false}
+      disableClearable
+      onChange={(_e, value) => {
+        setSelectedValue(value);
+        const { group: _g, ...payloadPattern } = value;
+
+        onChange(payloadPattern);
+      }}
+      groupBy={({ group }) => group ?? t("label.other")}
+      getOptionLabel={({ label }) => label}
+      isOptionEqualToValue={(option, value) => option.value === value.value}
+      renderGroup={({ key, group, children }) => (
+        <li key={key}>
+          <Typography component="h4" p={2} fontWeight={700} color="primary">
+            {t(`label.${group}`, { defaultValue: group })}
+          </Typography>
+          <Box>{children}</Box>
+        </li>
+      )}
+      renderInput={(props) => (
+        <Input
+          {...props}
+          label={t("label.outcome")}
+          InputProps={{
+            ...props.InputProps,
+            startAdornment: (
+              <InputAdornment position="start">
+                <Chip
+                  sx={{
+                    left: "8px",
+                    height: "25px",
+                    fontSize: "12px",
+                    minWidth: "75px",
+                    position: "relative",
+                    maxHeight: "30px",
+                    borderRadius: "16px",
+                    borderColor: theme.palette.grey[400],
+                  }}
+                  color="primary"
+                  label={t(
+                    `label.${selectedValue?.type || "outcome"}`,
+                  ).toLocaleLowerCase()}
+                  variant="role"
+                />
+              </InputAdornment>
+            ),
+          }}
+        />
+      )}
+    />
+  );
+};

frontend/src/components/visual-editor/form/inputs/triggers/PatternInput.tsx

@@ -23,6 +23,7 @@ import {
   PayloadPattern,
 } from "@/types/block.types";
 
+import { OutcomeInput } from "./OutcomeInput";
 import { PostbackInput } from "./PostbackInput";
 
 const isRegex = (str: Pattern) => {
@@ -38,6 +39,8 @@ const getType = (pattern: Pattern): PatternType => {
       return "menu";
     } else if (pattern?.type === "content") {
       return "content";
+    } else if (pattern?.type === "outcome") {
+      return "outcome";
     } else {
       return "payload";
     }
@@ -67,7 +70,6 @@ const PatternInput: FC<PatternInputProps> = ({
   } = useFormContext<IBlockAttributes>();
   const [pattern, setPattern] = useState<Pattern>(value);
   const patternType = getType(value);
-  const isPostbackType = ["payload", "content", "menu"].includes(patternType);
   const registerInput = (
     errorMessage: string,
     idx: number,
@@ -100,15 +102,22 @@ const PatternInput: FC<PatternInputProps> = ({
           onChange={setPattern}
         />
       )}
-      
+      {["payload", "content", "menu"].includes(patternType) ? (
-      {isPostbackType ? (
+        <PostbackInput
-          <PostbackInput
+          onChange={(payload) => {
-            onChange={(payload) => {
+            payload && setPattern(payload);
-              payload && setPattern(payload);
+          }}
-            }}
+          defaultValue={pattern as PayloadPattern}
-            defaultValue={pattern as PayloadPattern}
+        />
-          />
+      ) : null}
-        ) : null}
+      {patternType === "outcome" ? (
+        <OutcomeInput
+          onChange={(payload) => {
+            payload && setPattern(payload);
+          }}
+          defaultValue={pattern as PayloadPattern}
+        />
+      ) : null}
       {typeof value === "string" && patternType === "regex" ? (
         <RegexInput
           {...registerInput(t("message.regex_is_empty"), idx, {

frontend/src/components/visual-editor/form/inputs/triggers/PatternsInput.tsx

@@ -6,14 +6,13 @@
  * 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
  */
 
-import {
+import AbcIcon from "@mui/icons-material/Abc";
-  Abc,
+import AddIcon from "@mui/icons-material/Add";
-  Add,
+import MediationIcon from "@mui/icons-material/Mediation";
-  Mouse,
+import MouseIcon from "@mui/icons-material/Mouse";
-  PsychologyAlt,
+import PsychologyAltIcon from "@mui/icons-material/PsychologyAlt";
-  RemoveCircleOutline,
+import RemoveCircleOutlineIcon from "@mui/icons-material/RemoveCircleOutline";
-  Spellcheck,
+import SpellcheckIcon from "@mui/icons-material/Spellcheck";
-} from "@mui/icons-material";
 import { Box, Chip, IconButton, styled, useTheme } from "@mui/material";
 import { FC, useEffect, useMemo, useState } from "react";
 import { useFormContext } from "react-hook-form";
@@ -79,12 +78,20 @@ const PatternsInput: FC<PatternsInputProps> = ({ value, onChange }) => {
 
   const actions: DropdownButtonAction[] = useMemo(
     () => [
-      { icon: <Spellcheck />, name: "Exact Match", defaultValue: "" },
-      { icon: <Abc />, name: "Pattern Match", defaultValue: "//" },
-      { icon: <PsychologyAlt />, name: "Intent Match", defaultValue: [] },
       {
-        icon: <Mouse />,
+        icon: <SpellcheckIcon />,
-        name: "Interaction",
+        name: t("label.exact_match"),
+        defaultValue: "",
+      },
+      { icon: <AbcIcon />, name: t("label.pattern_match"), defaultValue: "//" },
+      {
+        icon: <PsychologyAltIcon />,
+        name: t("label.intent_match"),
+        defaultValue: [],
+      },
+      {
+        icon: <MouseIcon />,
+        name: t("label.interaction"),
         defaultValue: {
           label: t("label.get_started"),
           value: "GET_STARTED",
@@ -92,6 +99,16 @@ const PatternsInput: FC<PatternsInputProps> = ({ value, onChange }) => {
           group: "general",
         },
       },
+      {
+        icon: <MediationIcon />,
+        name: t("label.outcome_match"),
+        defaultValue: {
+          label: t("label.any_outcome"),
+          value: "any",
+          type: PayloadType.outcome,
+          group: "general",
+        },
+      },
     ],
     // eslint-disable-next-line react-hooks/exhaustive-deps
     [],
@@ -129,7 +146,7 @@ const PatternsInput: FC<PatternsInputProps> = ({ value, onChange }) => {
                 color="error"
                 onClick={() => removeInput(idx)}
               >
-                <RemoveCircleOutline />
+                <RemoveCircleOutlineIcon />
               </IconButton>
             </Box>
           ))
@@ -140,7 +157,7 @@ const PatternsInput: FC<PatternsInputProps> = ({ value, onChange }) => {
         label={t("button.add_pattern")}
         actions={actions}
         onClick={(action) => addInput(action.defaultValue as Pattern)}
-        icon={<Add />}
+        icon={<AddIcon />}
       />
     </Box>
   );

frontend/src/types/block.types.ts

@@ -64,7 +64,7 @@ export interface PayloadPattern {
   value: string;
   // @todo : rename 'attachment' to 'attachments'
   // @todo: If undefined, that means the payload could be either quick_reply or button
-  // We will move soon so that it will be a required attribute
+  // We should update soon so that it will be a required attribute
   type?: PayloadType;
 }
 
@@ -81,12 +81,14 @@ export type PatternType =
   | "nlp"
   | "menu"
   | "content"
+  | "outcome"
   | "payload"
   | "text";
 
 export interface IBlockAttributes {
   name: string;
   patterns?: Pattern[];
+  outcomes?: string[];
   trigger_labels?: string[];
   trigger_channels?: string[];
   assign_labels?: string[];

frontend/src/types/message.types.ts

@@ -30,6 +30,7 @@ export enum PayloadType {
   content = "content",
   quick_reply = "quick_reply",
   button = "button",
+  outcome = "outcome",
 }
 
 export enum FileType {

frontend/src/utils/string.ts

@@ -14,3 +14,7 @@ export const slugify = (str: string) => {
     .replace(/\s+/g, "-")
     .replace(/-+/g, "_");
 };
+
+export const getNamespace = (extensionName: string) => {
+  return extensionName.replaceAll("-", "_");
+};