Method to set the information of a template category.
https://api.wbsrvc.com/TemplateV2/SetTemplate/
POST
| user_key Required |
User Key of the user who initiates the call. Type: string |
| template_id Required |
ID of the template. Type: integer |
| label Optional |
Name of the template. Type: array of languages and names - i.e. array('en_US' => 'Test') |
| category_id Optional |
ID of the category. Type: integer |
| content Optional |
Content of the template. Type: string |
| client_id Optional |
Client ID of the client in which the template is created. Type: integer |