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</TabItem>
<TabItem value="yarn" label="yarn">
```bash
yarn dev
```
</TabItem>
<TabItem value="pnpm" label="pnpm">
```bash
pnpm dev
```
</TabItem>
</Tabs>
You should see the VoltAgent server startup message:
```bash
═══════════════════════════════════════════════════
VOLTAGENT SERVER STARTED SUCCESSFULLY
═══════════════════════════════════════════════════
βœ“ HTTP Server: http://localhost:3141
β†ͺ Share it: pnpm volt tunnel 3141 (secure HTTPS tunnel for teammates)
Docs: https://voltagent.dev/deployment-docs/local-tunnel/
βœ“ Swagger UI: http://localhost:3141/ui
Test your agents with VoltOps Console: https://console.voltagent.dev
═══════════════════════════════════════════════════
```
</StepSection>
<StepSection stepNumber={3} title="Set Up the Slack Trigger in Console">
<video controls loop muted playsInline style={{width: '100%', height: 'auto'}}>
<source src="https://cdn.voltagent.dev/voltagent-recipes-guides/slack-1.mp4" type="video/mp4" />
Your browser does not support the video tag.
</video>
<br/>
<br/>
Open [VoltAgent Console](https://console.voltagent.dev/triggers) and go to **Triggers** β†’ **Create Trigger**.
1. Select **Slack β†’ Message posted to channel**
2. Use the managed Slack app when prompted
3. Create a Slack credential and save the `credentialId`
</StepSection>
<StepSection stepNumber={4} title="Expose Your Local Agent with Volt Tunnel">
<video controls loop muted playsInline style={{width: '100%', height: 'auto'}}>
<source src="https://cdn.voltagent.dev/voltagent-recipes-guides/slack-2.mp4" type="video/mp4" />
Your browser does not support the video tag.
</video>
<br/>
<br/>
[Volt Tunnel](/deployment-docs/local-tunnel/) exposes your local server to the internet so triggers can reach it.
Run the tunnel command:
```bash
pnpm volt tunnel 3141
```
Copy the tunnel URL (e.g., `https://your-tunnel.tunnel.voltagent.dev`) and set it as the **Endpoint URL** in the trigger configuration.
</StepSection>
<SectionDivider>
The project is set up and the Slack trigger is configured. The following steps cover wiring the trigger to your agent and adding the reply action.
</SectionDivider>
<StepSection stepNumber={5} title="Wire the Slack Trigger to Your Agent">
<video controls loop muted playsInline style={{width: '100%', height: 'auto'}}>
<source src="https://cdn.voltagent.dev/voltagent-recipes-guides/slack-3.mp4" type="video/mp4" />
Your browser does not support the video tag.
</video>
<br/>
<br/>
This code sets up a trigger handler that receives Slack messages and can call a weather tool. The reply tool is added in the next step.
<ExpandableCode title="src/index.ts" previewLines={15}>
```ts
import { openai } from "@ai-sdk/openai";
import { Agent, VoltAgent, createTriggers } from "@voltagent/core";
import { createPinoLogger } from "@voltagent/logger";
import { honoServer } from "@voltagent/server-hono";