/SendMessage Slash Command

Using the /SendMessage Command in Slack

The /SendMessage command is the fastest way to send a message to multiple channels or DMs — right from your Slack composer.

Whether you're announcing a product update, sharing a weekly reminder, or pinging all your customer channels, /SendMessage lets you do it in one go.

How to Use It

1. In any Slack message box, type:

   /SendMessage [and whatever your message text is here]

2. An empheral message composer will appear. From here, you can:

   • ✏️ Edit your message

   • 🗂 Select channels or DMs

   • ✅ Add actions like buttons or forms, or images

   
3. Hit Send Message. You can then decide if you want to send your message now, or schedule it for later.

💡 Pro Tips

• Pair messages with Slack Forms for onboarding, feedback, or approvals

• Save time by setting a Workflow to trigger this message on a schedule or event

• After sending, you can:

  • View engagement (clicks, reactions, form submissions) from the Analytics tab

  • Reuse the same message for another blast