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

# Get Custom Function

> Get a specific custom function by ID

Retrieve details of a specific custom function.

## Path Parameters

<ParamField path="id" type="string" required>
  UUID of the custom function
</ParamField>

## Response

<ResponseField name="id" type="string">
  UUID of the function
</ResponseField>

<ResponseField name="agent_id" type="string">
  UUID of the agent this function belongs to
</ResponseField>

<ResponseField name="user_id" type="string">
  UUID of the user who created this function
</ResponseField>

<ResponseField name="name" type="string">
  Function name (snake\_case)
</ResponseField>

<ResponseField name="description" type="string">
  Function description used by AI to decide when to call
</ResponseField>

<ResponseField name="http_method" type="string">
  HTTP method (GET, POST, PUT, PATCH, DELETE)
</ResponseField>

<ResponseField name="endpoint_url" type="string">
  Webhook URL
</ResponseField>

<ResponseField name="headers" type="array">
  Custom headers included with requests
</ResponseField>

<ResponseField name="body_schema" type="array">
  Parameter definitions for the function
</ResponseField>

<ResponseField name="response_variables" type="array">
  Variables extracted from response
</ResponseField>

<ResponseField name="timeout_ms" type="integer">
  Request timeout in milliseconds
</ResponseField>

<ResponseField name="max_retries" type="integer">
  Number of retry attempts
</ResponseField>

<ResponseField name="is_active" type="boolean">
  Whether the function is active
</ResponseField>

<ResponseField name="created_at" type="string">
  ISO 8601 creation timestamp
</ResponseField>

<ResponseField name="updated_at" type="string">
  ISO 8601 last update timestamp
</ResponseField>

<RequestExample>
  ```bash cURL theme={null}
  curl "https://api.magpipe.ai/functions/v1/custom-functions/789e0123-e89b-12d3-a456-426614174000" \
    -H "Authorization: Bearer YOUR_API_KEY"
  ```
</RequestExample>

<ResponseExample>
  ```json 200 theme={null}
  {
    "id": "789e0123-e89b-12d3-a456-426614174000",
    "agent_id": "123e4567-e89b-12d3-a456-426614174000",
    "user_id": "456e7890-e89b-12d3-a456-426614174000",
    "name": "check_order_status",
    "description": "Look up customer order status by order ID",
    "http_method": "POST",
    "endpoint_url": "https://api.yourstore.com/orders/status",
    "headers": [
      {"name": "X-API-Key", "value": "your-key"}
    ],
    "body_schema": [
      {
        "name": "order_id",
        "type": "string",
        "description": "The customer order ID or confirmation number",
        "required": true
      }
    ],
    "response_variables": [
      {"name": "status", "json_path": "$.data.status"},
      {"name": "eta", "json_path": "$.data.estimated_delivery"}
    ],
    "timeout_ms": 120000,
    "max_retries": 2,
    "is_active": true,
    "created_at": "2024-01-15T10:30:00Z",
    "updated_at": "2024-01-15T10:30:00Z"
  }
  ```

  ```json 404 theme={null}
  {
    "error": "Custom function not found"
  }
  ```
</ResponseExample>