If the mailing has not been started, it will be started. The mailing must be of the type regular or event.
Notes
It is better to copy a mailing and start the new one.
This method is designed to work with event-based mailings.
Canceled mailings cannot be restarted.
**Type**: void
**Parameters**
| Name | Type | Value |
| sessionId | String | ID of the session |
| mailingId | long | ID of the mailing |
**Return values**
**Code structure**