response_type: id_token (required, the tool must use a value of id_token)
redirect_uri:
https://lti-ri.imsglobal.org/lti/tools/2157/launches
response_mode: form_post (required, tools and platforms must support a value of form_post)
client_id: 1234 (required, client identifier valid at the Platform)
scope: openid (required, must contain the openid scope value)
state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IlExTlFzM1VtbG9yQVUyT3FzLU9TZjZnS3NXNk1uX1FfYWxiVGtwbk1RUnciLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyMTU3LCJzdGF0ZV9ub25jZSI6IjAzY2IzNWFlZWM3NGI3ZTUzOWI5IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMTU3In0sImlzcyI6ImhhcnJ5Iiwic3ViIjoiMTIzNCIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzIzNDEvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3OTkzOTIwMCwiZXhwIjoxNzc5OTM5NTAwLCJqdGkiOiI2NDc4MTdlZWRhNTU4Yjg3NDFiYyJ9.UtQMx9lY-EknFFeZ6Z_dIUeIttlVob6YtBSqB3WCL5MImu7P8t2vWmqU8d0LhaaA6iMt6W_ZbwdVYPrx_cHo5_U-hgCZHG48PVovQm76D4vfF5nQ-fILqntFZEfnpQpGnjEBBVNizJhuRtwtZcH1n8EkzTEbEWhFRbykka9hbLJ5PU9ER4nZ9RL781Zqr4K_3IJmRB25IP8tdwS7qVcVgyzUXIvn-n1ip-0zvbH45NxfmJnoKoeS6V7-JgA9qMLUQTr7B3WTQ_HUdd20DM2hj1ahXe52bBcaelMWvSYLggBl3kgtrFLoFj1XiLzZKicN1gMeBhofApngNRM0iZc-0Q (required, opaque value used to maintain state between the request and the callback)
login_hint: (required, tools and platforms must support a value of form_post)
lti_message_hint: (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: 03cb35aeec74b7e539b9 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)
Send GET Request