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

# Update Campaign AI Prompt Template

> Update the AI reply-categorisation prompt, lead categories or active state of a campaign's template

<Note>
  Send at least one field. Only the fields you send are changed. Get `template_id` from [Get Campaign AI Prompt Template](/api-reference/campaigns/get-prompt-template).
</Note>

## Path Parameters

<ParamField path="campaign_id" type="number" required>
  Campaign ID
</ParamField>

<ParamField path="template_id" type="number" required>
  Prompt template ID
</ParamField>

## Query Parameters

<ParamField query="api_key" type="string" required>
  Your SmartLead API key
</ParamField>

## Request Body

<ParamField body="prompt_content" type="string">
  The categorisation prompt (at least 1 character)
</ParamField>

<ParamField body="categories" type="number[]">
  Lead category IDs the AI can assign to replies (replaces the current list)
</ParamField>

<ParamField body="is_active" type="boolean">
  Whether the template is active
</ParamField>

<RequestExample>
  ```bash cURL theme={null}
  curl -X PATCH "https://server.smartlead.ai/api/v1/campaigns/123/prompt-template/789?api_key=YOUR_KEY" \
    -H "Content-Type: application/json" \
    -d '{"categories": [1, 2, 3, 6, 7]}'
  ```

  ```python Python theme={null}
  import requests

  response = requests.patch(
      "https://server.smartlead.ai/api/v1/campaigns/123/prompt-template/789",
      params={"api_key": "YOUR_API_KEY"},
      json={"categories": [1, 2, 3, 6, 7]}
  )
  print(response.json())
  ```
</RequestExample>

## Response Example

<ResponseExample>
  ```json 200 theme={null}
  {
    "success": true,
    "data": {
      "id": 789
    }
  }
  ```

  ```json 404 - Campaign not found theme={null}
  {
    "error": "Campaign not found - Invalid campaign_id."
  }
  ```

  ```json 404 - Template not found theme={null}
  {
    "error": "Prompt template not found - Invalid template_id."
  }
  ```
</ResponseExample>