response_type: id_token (required, the tool must use a value of id_token)
redirect_uri:
https://masterplan.com/api/2.0/lti/launch/learnpath/f7f3f303-e502-4800-88f0-a78886ff6e56
response_mode: form_post (required, tools and platforms must support a value of form_post)
client_id: test_client_id (required, client identifier valid at the Platform)
scope: openid (required, must contain the openid scope value)
state: state-ad9bde9b-9a13-44d9-bf08-a3a6d268306e (required, opaque value used to maintain state between the request and the callback)
login_hint: 420519 (required, tools and platforms must support a value of form_post)
lti_message_hint: 66290 (required, a platform opaque identifier identifying the user to login)
prompt: none (optional, The tool should use a value of none. In the future a re-launch flow may support additional values being used here)
nonce: 0e331f2e937e4cf99ac930cf4f5efff529abf6d4167111ef9e680a58a9feac02 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)