| Name | Type | Description | Notes |
|---|---|---|---|
| account_id | String | WhatsApp social account ID | |
| subject | String | Group name (max 128 characters) | |
| description | Option<String> | Group description (max 2048 characters) | [optional] |
| join_approval_mode | Option<JoinApprovalMode> | Whether users need approval to join via invite link (enum: approval_required, auto_approve) | [optional] |