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.eyJ0b29sX2lkIjo1MjMxLCJzdGF0ZV9ub25jZSI6ImZlMjBmZjNhODRlYTE3OTJjNGNiIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI1MjMxIn0sImlzcyI6InRhayB0b29sIGphbiA5Iiwic3ViIjoiMTIzNDV0YWsiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy81NDIxL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzIxODU2NDQsImV4cCI6MTc3MjE4NTk0NCwianRpIjoiZWRhYTdhZTZhNTQyMGQ2NDc1MzcifQ.cB6z2eqk8L7HRCmXrlH3_Lv5T2Ba1wVZknoZkG43-tq1z5TbAHjmZaCugJTI_1F3BNqjrwhexQ3OOIhdQZWN3jpkTHq_u0cUIJTAoDzkkKI0e1cy0CM9s0lBpoubOp_B5eRbAg7fIFrH-q33YD3zKG-E_SLr_LLSN4XNhqdixW0gGfU-HCjePpxLq6TiWtlAilNmJhNwXnTqQmPyrhhHfd8DXegpD5JlaJ99yOAcILnKf__ZcXlI6TUgRCeC5ml-3iMFhCGCTQVk343L_xDfkYti7DNCHINDnm_cW95izvbECD4UADX2pSAm4ulXO0ArN1u9aEbPizCLlpjyPjb5qA (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: fe20ff3a84ea1792c4cb (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)