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What It Does

  • Automatically sends replies in Slack threads to keep conversations organized.
  • Ensures all stakeholders see updates in one place without cluttering channels.
  • Schedule follow-ups or reminders directly into the thread for better timing.
  • Customize your bot’s voice and visuals for clear, on-brand communication.
  • Include metadata or unfurl settings for richer context and visibility.

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🏁 Getting Started

Slack Action Node config screenshot
1

Select Account

Choose your connected Slack workspace where you’ll post threads.
2

Configure Inputs

Pick a channel, enter your message and thread timestamp, then tweak any optional settings.

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Inputs

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🛠️ Required Fields

  • Select Account (✅)
    Choose the Slack workspace to authenticate your bot.
    Why it matters: Ensures messages post to the right workspace and maintain security.
  • Channel (✅)
    Select the Slack channel, user, or private group where the thread lives.
    Why it matters: Directs your reply to the correct conversation, so nothing gets lost.
  • Text (✅)
    The body of your threaded message.
    Why it matters: Delivers key updates, alerts, or context straight to stakeholders.
  • Message Timestamp (✅)
    Provide the timestamp of the original message to reply within its thread.
    Why it matters: Pins your new message in the correct thread, keeping conversations grouped.

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🎯 Optional Fields

  • Send text as Slack mrkdwn (⚪️)
    Toggle Slack markup parsing for bold, italics, and links.
    Why it matters: Enhance readability and highlight important details.
  • Send as User (⚪️)
    Post the message as the authenticated user rather than a bot.
    Why it matters: Makes replies feel more personal and aligned with your team voice.
  • Schedule message (⚪️)
    Set an ISO 8601 datetime to schedule this reply up to 120 days ahead.
    Why it matters: Automate reminders or follow-ups without manual intervention.
  • Include link to Pipedream (⚪️)
    Append a badge linking back to your workflow.
    Why it matters: Gives context to the automation and provides quick access to the details.
  • Customize Bot Settings (⚪️)
    Enable customizing bot username or icon.
    Why it matters: Brand your messages and improve recognition in busy channels.
  • Send Channel Message (⚪️)
    Broadcast the reply in both the thread and the main channel.
    Why it matters: Ensures high-visibility updates reach everyone, even those not following the thread.
  • Add Message Metadata (⚪️)
    Attach structured metadata events to your Slack message.
    Why it matters: Integrates with downstream services for richer automation workflows.
  • Configure Unfurl Settings (⚪️)
    Turn on or off link and media previews.
    Why it matters: Control clutter by showing only the media or links you want.

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Output

This action returns the full Slack API response for your message, including:
  • message timestamp and channel ID for follow-ups.
  • thread details and metadata for downstream steps.
Slack Action Node output screenshot
You can reference returned fields like ts and channel in subsequent nodes to chain actions (e.g., sending files or notifications).

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How It Works

  1. Authenticates with your Slack workspace.
  2. Posts your message in the specified thread using the provided timestamp.
  3. Applies any scheduling, metadata, or unfurl rules you configured.
  4. Returns the message object for seamless chaining.

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🚀 Example Use Cases & Prompts

Use CaseSetup or Prompt Example
Campaign Follow-up”Reply in our #marketing channel thread with a weekly campaign recap.”
Deal Desk Notifications”Send deal approval updates to the thread when a new deal enters stage.”
Team Standup Reminders”Schedule a reminder reply in our #standup thread every Monday.”

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✨ Pro Tips

  • Use @ColumnName or Insert Input to dynamically build messages from your data.
  • Leverage markdown for bold calls to action or links to important resources.
  • Enable thread broadcasts to keep everyone in the loop when needed.

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⚠️ Important Considerations

  • Scheduled messages cannot be set for past times.
  • Ensure your Slack bot has channel permissions, especially for private groups.
  • Double-check thread timestamp to avoid orphaned messages.

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🛠 Troubleshooting & Gotchas

SymptomLikely CauseQuick Fix
Message not appearingBot lacks channel permissionsGrant the bot posting rights in the channel
Wrong thread locationIncorrect Message TimestampCopy the ts exactly from the original message
Scheduling errorsInvalid ISO 8601 formatUse correct format like 2022-12-31T23:59:00Z

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📝 FAQ

✅ Yes — as long as the bot is invited and has posting permissions in that channel.
Yes — enable Customize Bot Settings and provide an emoji or image URL.
Yes — you must supply the Message Timestamp to target a thread.

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💰 Pricing

This action is free to use. No workflow credits are consumed when sending Slack messages.

Ready to streamline your Slack communications and keep your team aligned? Drop this node into your flow and start threading smarter conversations today. 🚀