---
name: campaign-message-assign-template-routes
description: Handle 1 OpenAPI operation(s) under /api/campaign-message-assign-template for the campaign message assign template route group.
---

# campaign message assign template API Routes

Handle 1 OpenAPI operation(s) under /api/campaign-message-assign-template for the campaign message assign template route group.

Use the generated operation tools to make real API calls. Do not invent API responses.
If a tool reports missing setup, return the exact setup field name to the caller.
For write, update, or delete operations, state the intended action before calling the tool.

## Operations

### assign_template_to_campaign_message

- Operation ID: `assign_template_to_campaign_message`
- Route: `POST /api/campaign-message-assign-template`
- Mode: WRITE
- Summary: Assign Template to Campaign Message
- Parameters:
  - `fields[campaign-message]` in `query`
  - `revision` in `header` required
- Body: JSON request body accepted.