57006: 'EventType' is empty

EventType is required in this request. When it is missing or empty, Twilio returns This error with the message 'EventType' is empty.

• The request did not include a value for EventType.
• The request included EventType, but the value was empty.

• Pass a valid EventType value in the request.
• Validate the payload before sending it so EventType is present and populated.

• Programmable Messaging
• Debugging Your Twilio Application