feat: add message contains keyword trigger #132

meenulekha-premakumar · 2025-09-12T15:40:52Z

What does this PR do?

Adds a new Slack trigger called "Message Contains Keyword" that monitors all channels in a Slack workspace for messages containing specific keywords.

Explain How the Feature Works

Filters messages based on a user-specified keyword
Supports 2 ways to match: substring matching or whole word matching
Provides optional filtering for bot messages and thread replies
Only triggers the flow when the keyword is found, returning empty array otherwise

Relevant User Scenarios

Fixes # (issue)

linear · 2025-09-12T15:40:55Z

Q-1622 Slack piece for specific mentions anywhere on Slack.

AdamSelene

I think it would be better to extend the existing "New message" trigger with an optional field, WDYT? We did the same for the Intercom "New reply" trigger

if there is no value: no filtering
if there is: apply filter

A second improvement (for another PR) could be to filter by author with a dropdown

AdamSelene

thanks for the changes, left a few more comments

AdamSelene · 2025-10-16T16:46:09Z

packages/pieces/community/slack/src/index.ts

    newUserTrigger,
    newSavedMessageTrigger,
    newTeamCustomEmojiTrigger,
+    messageContainsKeywordTrigger,


AdamSelene · 2025-10-16T16:46:28Z

packages/pieces/community/slack/src/lib/triggers/new-message.ts

 		ignoreBots: Property.Checkbox({
 			displayName: 'Ignore Bot Messages ?',
-			required: true,
+			required: false,


why change to false?

I was thinking that since there is a default value provided, we can just use that and check the box only when needed!

AdamSelene · 2025-10-16T16:47:38Z

packages/pieces/community/slack/src/lib/triggers/new-message.ts

+		}),
+		matchWholeWord: Property.Checkbox({
+			displayName: 'Match Whole Word Only',
+			description: 'If enabled, only matches the keyword as a complete word (e.g. "test" won\'t match "testing"). Leave empty if no keyword.',


Suggested change

description: 'If enabled, only matches the keyword as a complete word (e.g. "test" won\'t match "testing"). Leave empty if no keyword.',

description: 'If enabled, only matches the keyword as a complete word (e.g. "test" won\'t match "testing").',

AdamSelene · 2025-10-16T16:49:33Z

packages/pieces/community/slack/src/lib/triggers/new-message.ts

+	sampleData: {
+		text: 'Hello world!',
+		channel: 'C1234567890',
+		user: 'U1234567890',
+		channel_type: 'channel',
+		ts: '1234567890.123456'
+	},


Suggested change

sampleData: {

text: 'Hello world!',

channel: 'C1234567890',

user: 'U1234567890',

channel_type: 'channel',

ts: '1234567890.123456'

},

sampleData: undefined,

Otherwise you can't test with live data (click on "test trigger" then sending a test message in Slack) - it's a limitation from ActivePieces that you can't have both

AdamSelene · 2025-10-16T16:51:03Z

packages/pieces/community/slack/src/lib/triggers/new-message.ts

+		}
 		// check if it's channel message
 		if (!['channel','group'].includes(payloadBody.event.channel_type)) {
+			if (!includeThreads || !payloadBody.event.thread_ts) {


No need to add this extra check - "channel" and "group" messages are purely technical messages like "someone has joined the channel", etc. So they always need to be ignored

Just to clarify, don't the channel and group messages not also include the messages sent by users and not just messages like "someone has joined the channel", etc. So in that case, we cannot always ignore all the channel and group messages right? Unless I have misunderstood something 😅

Hmm I was mixing things with "subtypes" sorry for the confusion!
https://docs.slack.dev/reference/events/message/
Not sure where the channel_type comes from

I think the channel_type is to just indicate whether the message is coming from public or private channels or direct messages!

I have added a check with the subtype which will then ignore all the messages like "someone has joined the channel" or file uploads, will this be the desired behaviour?

OK so what I'm missing now is the extra if (!includeThreads || !payloadBody.event.thread_ts) check - why do you need it?

initially it was to allow dm thread replies to be processed if we want to include threads, so if we don't want to include dm messages at all, we can remove that check?

AdamSelene · 2025-10-16T16:52:39Z

packages/server/worker/package.json

    "ai": "5.0.12",
    "zod": "3.25.76",
-    "@activepieces/common-ai": "0.1.0"
+    "@activepieces/common-ai": "0.2.2"


Unwanted change?

AdamSelene · 2025-10-16T16:53:01Z

packages/pieces/community/common-ai/package.json

 {
  "name": "@activepieces/common-ai",
-  "version": "0.1.0",
+  "version": "0.2.2",


Unwanted changes on this file?

AdamSelene

Aside from some cleanup, looking good
Left another comment to fully understand the implementation (not a blocker)
Did you test it locally?

AdamSelene · 2025-10-21T20:50:36Z

packages/pieces/community/common-ai/package.json

    "@sinclair/typebox": "0.34.11",
    "@activepieces/shared": "0.20.0",
-    "@activepieces/pieces-framework": "0.18.5",
+    "@activepieces/pieces-framework": "0.19.0",


Still unwanted change?

AdamSelene · 2025-10-21T20:50:44Z

packages/pieces/community/slack/src/index.ts

 import { newUserTrigger } from './lib/triggers/new-user';
 import { newSavedMessageTrigger } from './lib/triggers/new-saved-message';
 import { newTeamCustomEmojiTrigger } from './lib/triggers/new-team-custom-emoji';
+import { messageContainsKeywordTrigger } from './lib/triggers/message-contains-keyword';


AdamSelene · 2025-10-21T20:50:51Z

packages/pieces/community/slack/src/index.ts

    newUserTrigger,
    newSavedMessageTrigger,
    newTeamCustomEmojiTrigger,
+    messageContainsKeywordTrigger,


meenulekha-premakumar · 2025-10-24T14:33:15Z

@AdamSelene Hey! I have made the required changes, will you be available to review the changes? Thank you!!

AdamSelene

You may need to bump the version again, I'll sync the repo with the upstream one
Edit: I confirm, see the conflict reported by Github

feat: add message contains keyword trigger

f629c5a

meenulekha-premakumar added the enhancement New feature or request label Sep 23, 2025

meenulekha-premakumar requested a review from AdamSelene September 24, 2025 08:31

meenulekha-premakumar added 2 commits September 24, 2025 10:57

fix: bump common-ai package version

7f450b7

fix: bump slack package version

d98a20d

meenulekha-premakumar force-pushed the meenu-lekhapremakumar/q-1622-slack-piece-for-specific-mentions-anywhere-on-slack branch from 7724848 to d98a20d Compare September 24, 2025 09:34

fix: resolve CI package validation and dependency issues

c25c08d

meenulekha-premakumar force-pushed the meenu-lekhapremakumar/q-1622-slack-piece-for-specific-mentions-anywhere-on-slack branch from 490aca2 to c25c08d Compare September 24, 2025 13:19

AdamSelene requested changes Oct 16, 2025

View reviewed changes

refactor: add keyword filtering to slack new-message trigger

ba27866

meenulekha-premakumar force-pushed the meenu-lekhapremakumar/q-1622-slack-piece-for-specific-mentions-anywhere-on-slack branch from 9e236dc to ba27866 Compare October 16, 2025 15:34

meenulekha-premakumar requested a review from AdamSelene October 16, 2025 15:35

AdamSelene requested changes Oct 16, 2025

View reviewed changes

feat: filter out system messages in slack new-message trigger

072a2e0

AdamSelene requested changes Oct 21, 2025

View reviewed changes

fix: address PR comments

937dd84

meenulekha-premakumar requested a review from AdamSelene October 23, 2025 12:02

AdamSelene approved these changes Nov 18, 2025

View reviewed changes

	description: 'If enabled, only matches the keyword as a complete word (e.g. "test" won\'t match "testing"). Leave empty if no keyword.',
	description: 'If enabled, only matches the keyword as a complete word (e.g. "test" won\'t match "testing").',

feat: add message contains keyword trigger #132

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feat: add message contains keyword trigger #132

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meenulekha-premakumar commented Sep 12, 2025

What does this PR do?

Explain How the Feature Works

Relevant User Scenarios

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linear bot commented Sep 12, 2025

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meenulekha-premakumar commented Oct 24, 2025

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