| Name | Type | Description | Notes |
|---|---|---|---|
| topic_id | int | Identifies the topic using an integer to indicate the type of topic. | [optional] |
| hook_uri | string | Your webhook callback URI. Constant Contact automatically sends POST requests to this URI to notify you about the topic. | [optional] |
| topic_name | string | The name of the topic. | [optional] |
| topic_description | string | A description of what the topic is and when Constant Contact notifies you concerning it. | [optional] |