<p>Registers a specified Amazon ECS cluster with a stack. You can register only one cluster with a stack. A cluster can be registered with only one stack. For more information, see <a href="https://docs.aws.amazon.com/opsworks/latest/userguide/workinglayers-ecscluster.html"> Resource Management</a>.</p> <p> <b>Required Permissions</b>: To use this action, an IAM user must have a Manage permissions level for the stack or an attached policy that explicitly grants permissions. For more information on user permissions, see <a href="https://docs.aws.amazon.com/opsworks/latest/userguide/opsworks-security-users.html"> Managing User Permissions</a>.</p>

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    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
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}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}