Method to unsubscribe a member from the list.
https://api.wbsrvc.com/List/UnsubscribeEmail/
POST
| user_key Required |
User Key of the user who initiates the call. Type: string |
| list_id Required |
ID of the list. Type: integer |
| record_id Required |
ID of the member. If 'email' is provided, this parameter is optional. Type: integer |
| email Required |
Email address of the member. If 'record_id' is provided, this parameter is optional. Type: string |
| client_id Optional |
Client ID of the client in which the list is located. Type: integer |