> ## Documentation Index
> Fetch the complete documentation index at: https://docs.subverseai.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Slack trigger

# Slack Trigger

The **Slack Trigger** starts an orchestration when a Slack event occurs — such as a new message in a channel, a direct message to a bot, a reaction added, or a file shared.

<img src="https://mintcdn.com/subverse-611dde60/UZLalX8VX2i72yfQ/images/agentverse/slack-tigger-node.png?fit=max&auto=format&n=UZLalX8VX2i72yfQ&q=85&s=13d19cbb54d7365abef4ecbca856461f" alt="Slack Trigger Node" width="802" height="1342" data-path="images/agentverse/slack-tigger-node.png" />

***

## Use Cases

* Respond to bot commands or mentions in Slack channels
* Trigger AI processing when a user sends a message to a channel
* Automate workflows based on Slack reactions or file uploads
* Build Slack bots powered by AgentVerse orchestrations

***

## Credentials

This node requires a **Slack OAuth2** credential.

To create a credential:

1. Go to **Settings → Credentials → New Credential**
2. Select **Slack OAuth2**
3. Authenticate with your Slack workspace

***

## Node Reference

### Parameters

| Parameter      | Type         | Description                                                |
| -------------- | ------------ | ---------------------------------------------------------- |
| **Credential** | Credential   | Select or create a Slack OAuth2 credential                 |
| **Trigger On** | Multi-select | The Slack event types to listen for (default: `Any Event`) |

### Trigger On Options

| Option                  | Description                                        |
| ----------------------- | -------------------------------------------------- |
| `Any Event`             | Fires on all Slack events delivered to the webhook |
| `Message`               | A message is posted in a channel or DM             |
| `Bot Mention`           | The bot is @mentioned in a channel                 |
| `Reaction Added`        | A user adds a reaction emoji to a message          |
| `File Shared`           | A file is uploaded and shared in a channel         |
| `Channel Created`       | A new channel is created in the workspace          |
| `Member Joined Channel` | A user joins a channel                             |

### Options

| Option                         | Description                                                                                                    |
| ------------------------------ | -------------------------------------------------------------------------------------------------------------- |
| **Resolve IDs**                | When enabled, resolves Slack user/channel IDs to their human-readable names and returns them alongside the IDs |
| **Usernames or IDs to Ignore** | Events from these users will not trigger the orchestration                                                     |

### Webhook URL

The Slack Trigger displays a unique **Webhook URL** in the node panel. Configure this URL in your Slack app's **Event Subscriptions** settings to route Slack events to AgentVerse.

***

## Output Data

The trigger outputs the full Slack event payload:

```json theme={null}
{
  "type": "message",
  "text": "Hey @bot, summarize this document",
  "user": "U012AB3CD",
  "channel": "C012AB3CD",
  "ts": "1678901234.000100",
  "team": "T012AB3CD"
}
```

Reference fields in downstream nodes:

```
{{ slackTrigger.text }}
{{ slackTrigger.user }}
{{ slackTrigger.channel }}
```

***

## Related Nodes

* [Slack](./slack.md) — Send messages and interact with Slack within an orchestration
* [AI Agent](./ai-agent.md) — Process the Slack message with an LLM