post https://{url}/onceOfEvent
This endpoint allows you to create a once-off event campaign for a specific audience and its content.
- URL: 
POST - {{url}}/onceOfEvent
 - Body:
campaignName- Name of the campaign.
content- Content of the Event. Check out Event Schema.
audienceId- ID of the target audience.
autoAccept- Set astrueto auto-accept events.
- status - 
DRAFTorCREATED.
 
 - Success: The campaign data are returned.
 
