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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1850/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: ab23789 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjN4UHNoYUJrRy1rWUVscjY0MHVDYTRyZnJNNlhEQmlJU1hJQl80WWFSaGciLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxODUwLCJzdGF0ZV9ub25jZSI6IjFmYTllNGMwZjcwOTk5NTRiMTg2IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxODUwIn0sImlzcyI6IlN0b25ldG9vbDEiLCJzdWIiOiJhYjIzNzg5ICIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzIwMTEvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc2Nzg1NDU2MSwiZXhwIjoxNzY3ODU0ODYxLCJqdGkiOiJmMjJlOTI3OGNjMGFjMTMwYjdhNSJ9.dCxQTJxVOo9DrTAb8gm2HWavuff_fQ-cI97mZG3ToJrtYzh-2wnToVQT-1wybGb81Kfrix_XMBb1zs2dZ9qVwvm-X3i1_I08sgw93CEfZqLjF7VEe_V0kr-uXHUH3TIkfSlFRL3jqqcFz6muH3e-yUTR47fhid5DNZHCFs6Y5D9rbjVVVEa7fab5gQPy9Z_5xbT9_c1P-yx147BO5ydpuCi9Av9x3-qAu7w3oGcezoPS0mRfBtU-fITzFZpIfEktS86qUHrqdFZ8pusrIkKGw0oh1H6NuAZnNBSq4qupA7-OIh4I_9v1zFbqp7Gp4X5iWEqOGJZVCEpFMBcxkSbdQA (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: 1fa9e4c0f7099954b186 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)