if the API is executed successfully. Here is the description of response attributes, which returns to the form of JSON.
Staff added to event
Here are the possible error messages, which return if any condition gets failed or required data is missing for processing.
Exhibitor admin & lead retriever are valid roles for exhibitor staff.
Exhibitor not found
You have reached the max limit of max lead retriever
Social media URL is not valid. Please enter the valid social media URL.