# Send Slack Message

> Perform Send Slack Message through GenHealth.

Source: [https://genhealth.ai/docs/workflows/integrations/gen-health/send_slack_message](https://genhealth.ai/docs/workflows/integrations/gen-health/send_slack_message)

Integration: [GenHealth](https://genhealth.ai/docs/workflows/integrations/gen-health.md)

- Handler: `send_slack_message`

## Inputs

- `channel` — Channel (text, required)
  Required text value.
- `message` — Message (textarea, required)
  Required text value.
- `thread_ts` — Thread Ts (expression)
  Optional literal value or workflow expression.
- `append_workflow_context` — Append Workflow Context (boolean)
  Optional true-or-false value.
  Default: `false`
- `dry_run` — Dry Run (boolean)
  Optional true-or-false value.
  Default: `false`

## Outputs

- `success` — Success
- `channel` — Channel
- `ts` — Ts
- `dry_run` — Dry Run
- `error` — Error

Output schema completeness: `best_effort_declared`

## Safety

- External effect: `write`
- Confirmation recommended: no
- Retry safe: no
- Dry run supported: yes

## Schemas

These schemas are first-pass authoring guidance. Runtime validation remains authoritative.

### Input schema

```json
{
  "type": "object",
  "required": [
    "channel",
    "message"
  ],
  "properties": {
    "channel": {
      "type": "string",
      "description": "Required text value.",
      "x-workflow-field-type": "text"
    },
    "dry_run": {
      "type": "boolean",
      "default": false,
      "description": "Optional true-or-false value.",
      "x-workflow-field-type": "boolean"
    },
    "message": {
      "type": "string",
      "description": "Required text value.",
      "x-workflow-field-type": "textarea"
    },
    "thread_ts": {
      "description": "Optional literal value or workflow expression.",
      "x-workflow-field-type": "expression"
    },
    "append_workflow_context": {
      "type": "boolean",
      "default": false,
      "description": "Optional true-or-false value.",
      "x-workflow-field-type": "boolean"
    }
  },
  "additionalProperties": false
}
```

### Output schema

```json
{
  "type": "object",
  "properties": {
    "ts": {},
    "error": {},
    "channel": {},
    "dry_run": {},
    "success": {}
  },
  "additionalProperties": true
}
```