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What It Does

  • Set or update your team’s Slack channel topic without manual edits.
  • Surface key metrics or status updates right at the top of the channel.
  • Automate routine reminders, stand-up notes, or campaign tags.
  • Ensure everyone sees the latest priorities without sending extra messages.

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🏁 Getting Started

Slack Node config screenshot
1

Select Account

Choose your connected Slack workspace where you want to update channel topics.
2

Configure Inputs

Pick the channel and define the topic text to keep everyone informed.

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Inputs

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🛠️ Required Fields

  • Select Account (✅) Choose your connected Slack workspace where you want to update channel topics. Why it matters: Ensures the topic goes to the right workspace and team.
  • Channel (✅) Pick a public or private channel, or a user/group conversation, where the topic will be set. Why it matters: Keeps the right audience on the same page with clear channel context.
  • Topic (✅) Enter the new channel topic text. Why it matters: Highlights priorities, key metrics, or updates without extra messages.

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🎯 Optional Fields

None.

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Output

This action returns a confirmation object with the updated channel ID and new topic string, which you can pass to downstream nodes or logs for auditing.
Slack Node output screenshot
If the topic exceeds Slack’s character limit, it’s truncated automatically to fit.

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How It Works

  1. Authenticates with your Slack workspace.
  2. Identifies the specified channel or conversation.
  3. Sends the new topic text to Slack’s conversations.setTopic method.
  4. Returns the updated topic details for downstream steps.

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🚀 Example Use Cases & Prompts

Use CaseSetup or Prompt Example
Daily Stand-up Highlights”Set #dev-team topic to @today’s stand-up: Onboarding 3, Bugs 5, Releases 2”
Campaign Status Update”Update #marketing topic to Campaign X: 120 leads, 5 MQLs”
Deal Room Sync”Set #sales-deals topic to Current Q2 Pipeline: $1.2M”

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✨ Pro Tips

  • Use dynamic variables (e.g., @LeadCount) in the topic to keep metrics live.
  • Combine with scheduled workflows to refresh topics at set intervals.
  • Keep topics concise: people skim them for quick updates.

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⚠️ Important Considerations

  • Topics longer than 250 characters will be truncated.
  • Ensure your Slack app has the necessary permissions to set topics.
  • Private channels require the bot to be a member before updating topics.

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🛠 Troubleshooting & Gotchas

SymptomLikely CauseQuick Fix
Topic not updatingBot lacks channel permissionsInvite the app or bot user to the channel
Invalid channel selectedChannel ID or name typoVerify and re-select the correct channel
API rate limit hitToo many topic updates in a rowThrottle updates or batch them during off-peak times

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📝 FAQ

✅ Yes — just invite the app to the private channel first, then it can set the topic.
Slack topics are capped at 250 characters; text beyond that will truncate.
Yes — insert dynamic variables or field references like @DealStage to keep topics up-to-date.

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💰 Pricing

ActionCredit Cost
Set Channel TopicFree
Action nodes like this one do not consume credits. 👍

Ready to keep your channels in sync and your team aligned? Drop this action into your flow and automate your Slack topics today! 🚀