Add custom mailing properties for mailing with provided ID. If custom mailing properties with given name exist, their values will be updated.

Length of property name and property value should not be larger than 255 symbols.


HTTP status code Description
201 Created If everything was ok.
400 Bad request Property or value can not be accepted
404 Not found Mailing ID cannot be found
409 Conflict Mailing is sealed and can not be changed


201 Created

400 Bad Request

404 Not Found

409 Conflict