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

# Slack: Open Conversation

> Open (or resume) a direct message / group DM channel with one or more user IDs (conversations.open), returning the channel id to post into.

Open (or resume) a direct message / group DM channel with one or more user IDs (conversations.open), returning the channel id to post into.

> [!NOTE]
>
> Tool ID: `slack_open_conversation`

## Run this action

Use the TypeScript SDK for one call. Use `ctx.tools.execute(...)` inside a Play for durable calls, scheduled calls, or CSV processing.

```ts theme={"languages":{"custom":["/languages/deepline-prompt.json"]}}
import { Deepline } from 'deepline';

const deepline = await Deepline.connect();
const result = await deepline.tools.execute(
  'slack_open_conversation',
  {
    "users": "example",
    "channel": "example",
    "prevent_creation": true
  },
);

console.log(result.toolResponse.raw);
```

### CLI

```bash theme={"languages":{"custom":["/languages/deepline-prompt.json"]}}
deepline tools execute slack_open_conversation --input '{
  "users": "example",
  "channel": "example",
  "prevent_creation": true
}' --json
```

## Example response

The static output schema lacks the details for a reliable example. Use `deepline describe slack_open_conversation --json` for the complete live contract.

## Input reference

| Name | Type | Required | Default | Details |
| - | - | - | - | - |
| `payload.users` | `string` | No | — | Comma-separated Slack user ID(s) to open a DM (one id) or group DM (multiple ids) with, for example U0123456789 or U0123,U0456. Requires the im:write / mpim:write scope. Minimum length: 1. |
| `payload.channel` | `string` | No | — | Resume an existing DM/conversation by its channel ID instead of opening a new one. Minimum length: 1. |
| `payload.prevent_creation` | `boolean` | No | — | When true, do not create a new DM if one does not already exist (probe an existing conversation without side effects). |
| `payload.return_im` | `boolean` | No | — | Return the full IM channel object rather than just the id. |

<details>
  <summary>Show raw input schema</summary>

  ### Input JSON Schema

  ```json theme={"languages":{"custom":["/languages/deepline-prompt.json"]}}
  {
    "type": "object",
    "properties": {
      "users": {
        "type": "string",
        "description": "Comma-separated Slack user ID(s) to open a DM (one id) or group DM (multiple ids) with, for example U0123456789 or U0123,U0456. Requires the im:write / mpim:write scope.",
        "minLength": 1
      },
      "channel": {
        "type": "string",
        "description": "Resume an existing DM/conversation by its channel ID instead of opening a new one.",
        "minLength": 1
      },
      "prevent_creation": {
        "type": "boolean",
        "description": "When true, do not create a new DM if one does not already exist (probe an existing conversation without side effects)."
      },
      "return_im": {
        "type": "boolean",
        "description": "Return the full IM channel object rather than just the id."
      }
    },
    "additionalProperties": false
  }
  ```
</details>

## Output reference

Standard tool result payload.

| Name | Type | Required | Default | Details |
| - | - | - | - | - |
| `result.data` | `record` | Yes | — | Provider response payload. |
| `result.meta` | `record` | No | — | Additional response metadata. |

<details>
  <summary>Show raw output schema</summary>

  ### Output JSON Schema

  ```json theme={"languages":{"custom":["/languages/deepline-prompt.json"]}}
  {
    "type": "object",
    "description": "Standard tool result payload.",
    "properties": {
      "data": {
        "type": "object",
        "description": "Provider response payload.",
        "additionalProperties": {}
      },
      "meta": {
        "type": "object",
        "description": "Additional response metadata.",
        "additionalProperties": {}
      }
    },
    "required": [
      "data"
    ],
    "additionalProperties": false
  }
  ```
</details>

## Deepline cost

* Pricing model: `fixed` (per call).
* Estimated Deepline credits: `0` per pricing unit.
* Provider-native pricing may still exist outside Deepline credit billing.

## Related documentation

* [Slack provider guide](https://deepline.com/docs/providers/slack/guide.md)
* [SDK V2 quickstart](https://deepline.com/docs/sdk-v2/quickstart.md)
* [SDK reference](https://deepline.com/docs/sdk-v2/sdk-reference.md)
* [Run tools across a CSV](https://deepline.com/docs/sdk-v2/batch-csv.md)


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