Method to get the list of links of a mailing.
https://api.wbsrvc.com/Mailing/GetLinks/
POST
| user_key Required |
User Key of the user who initiates the call. Type: string |
| mailing_id Required |
ID of the mailing. Type: integer |
| limit Optional |
Limit the number of resulting links. Type: integer |
| offset Optional |
Offset the beginning of resulting links. Type: integer |
| count Optional |
Return the number of links. Type: string - possible value 'true', 'false' |
| client_id Optional |
Client ID of the client in which the mailing is located. Type: integer |