response_type: id_token (required, the tool must use a value of id_token)

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/5231/launches (required, This URI must exactly match a value pre-registered with the platform)

response_mode: form_post (required, tools and platforms must support a value of form_post)

client_id: 12345tak (required, client identifier valid at the Platform)

scope: openid (required, must contain the openid scope value)

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImNUU3ltSGNIT0hWMWxCUlpzNFhnTFpRLU5YdFpCdTBma0M5WC1MLU12ZGsiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo1MjMxLCJzdGF0ZV9ub25jZSI6IjUxOTBlNzJmMTEwMDhkMGZmMGNiIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI1MjMxIn0sImlzcyI6InRhayB0b29sIGphbiA5Iiwic3ViIjoiMTIzNDV0YWsiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy81NDIxL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NjYyNDY0NzgsImV4cCI6MTc2NjI0Njc3OCwianRpIjoiZGFhYzMwMjA2YTI5NDEzZDU5MWYifQ.PKT_40f4u1-jZ6DxtwyqQS-_z1BJNeLlkfWDseQ8qNg3vyuunlonBk124C-CWt87_H0I5HL3mSAMhKr8qTqyVOP8hRId0-8ri6TA0SS2RRDohkw0p2wted2Pc2f0vzHw2-w8sUgXgnZEFOSohZLbhgER_GaxRrMGmIarToCnaIBtcF0ShT3WdYHp7KxD0GALIvMKcOlY1acsBMbYX0Ow9IgI0kbRKMgUtL_fuJm1VHgs9wfQnbDlqp1VIiQSDHA_UfpmARuQWnbgxyyYwhgs4LH6-BBpF8dTLUpUwvaz1k3IkekdrF8SS8EniVi7-a6BSaJ3kg_Q2ys4SsdvsGlMCA (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: 5190e72f11008d0ff0cb (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)