MessageType (proctoring launch)
This parameter is used to generally define which type of entity you are linking in the configuration. Entering a value for this parameter is required by the LTI tool.
For more information, see Message Type claim in https://www.imsglobal.org/spec/lti/v1p3#message-type-claim.
Example:
CODE
"https://purl.imsglobal.org/spec/lti/claim/message_type": "LtiResourceLinkRequest"