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Triggr posts messages to your own workspace’s channels and lists its public channels. To manage user accounts in your own and your clients’ Slack, use Slack instead.

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Connect it in Triggr

You need a Slack account that can install apps in your workspace; if your workspace requires app approval, a Workspace Owner or app manager may need to approve it.
1

Open the configuration

Go to Integrations > Slack Notifications and click Configure on the Base Configuration card.
The Base Configuration card with Status Not Configured, Admin Consent Not Required and a Configure button.
2

Save the app details

AppID, ClientID and ClientSecret are already filled in with Triggr’s Slack app. Leave them, or enter your own app’s, and click Save Configuration.
The Slack Notifications configuration window with AppID, ClientID and ClientSecret already filled in (blurred), an Allow insecure TLS switch under Advanced, and a Save Configuration button.
3

Authorize

Click Authorize. In Slack, check the workspace in the top right, then click Allow.
4

Add the app to your channels

The app can only post in channels it’s a member of. Mention it in each channel and accept Slack’s offer to add it, or add it from the channel’s settings.
Triggr asks for the chat:write and channels:read bot scopes. Click Authorize again if you switch apps or the app is removed from your workspace.

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Use your own Slack app

Use your own app to post with your own name and icon.
1

Create the app

At api.slack.com/apps, click Create New App > From scratch, name it and pick the workspace it will post to.
2

Add the redirect URL and scopes

On OAuth & Permissions, add https://app.triggr-app.com/oauth/callback under Redirect URLs, and chat:write and channels:read under Bot Token Scopes.
3

Enter it in Triggr

From Basic Information > App Credentials, copy the App ID, Client ID and Client Secret into AppID, ClientID and ClientSecret. Save, click Authorize and add the app to your channels.

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Send messages

Send Message takes a JSON body in Slack’s chat.postMessage format: channel is the channel’s ID, such as C0123456789 (List Conversations returns them), and text is the message. Slack reports failures with ok set to false and a code in error.

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Troubleshooting

Add the app to the channel, and check the channel ID.
With your own app, check ClientID and ClientSecret match its App Credentials. Then click Authorize and Allow again.
With your own app, check chat:write and channels:read are under Bot Token Scopes, then click Authorize again.
Slack allows about one message per second per channel. Spread the messages out.