Error 35118
Product: Programmable SMS
ERROR - 35118
MessagingServiceSid is required to schedule a message
Message Scheduling is only accessible on Messaging Services. You need to pass a MessageServiceSid instead or along with a From Phone Number in order to schedule a message.
Possible Causes
A MessagingServiceSid was not provided as part of the MessagingServiceSid or From parameter.
Possible Solutions
Pass the MessagingServiceSid in either the MessagingServiceSid parameter or the From parameter.