Update speaker assignment in timeslot

request body { "speaker assignment" { "speaker id" {{speaker id}}, "timeslot id" {{timeslot id}}, "role" "{{role name}}" } } required attributes speaker id number / the unique identifier generated by brella for the speaker (can be retrieved via the speaker endpoints) timeslot id number / the unique identifier generated by brella for the timeslot (can be retrieved via the timeslot endpoints) role string / see notes for supported values notes 01 both the speaker and timeslot need to exist in the event this endpoint can't create these entities for you 02 the values supported for the role attribute are chairman facilitator judge keynote speaker moderator organizer panelist speaker sponsor