Set the data that drives a cowatching session. This method is only callable by the presenter. Video title cannot exceed 100 characters, and data size is limited to 500 characters. The data will be eventually consistent across all users.A message with type
ovrMessage_Cowatching_SetPresenterData will be generated in response.First call
ovr_Message_IsError() to check if an error occurred.This response has no payload. If no error occurred, the request was successful. Yay!