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.eyJ0b29sX2lkIjoxODUwLCJzdGF0ZV9ub25jZSI6Ijc1MThiOGQyNGUyM2IzY2RjMmZlIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxODUwIn0sImlzcyI6IlN0b25ldG9vbDEiLCJzdWIiOiJhYjIzNzg5ICIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzIwMTEvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3MjI5NDU5MCwiZXhwIjoxNzcyMjk0ODkwLCJqdGkiOiJiYjc5Mzc0MDBhNzNmNDdmYmMxNSJ9.t1u3YxdZy9NZSeduo9QB1wTib8gOSP4-AkzyY2H_ttpbMSmNGUwMAe7DYPXkfzFaUbPy9LFd-ckhNTPB2rziG9UG1oXjR_rhV5tOsrF64fvOWYqY0RC-Dt0suuiYqti5piHQPue7lqJFvWVnILVb0biQHpv48ZmkXzpGFCukWjjbSZhW1FfbxgPF_kh126bTEpbod5gHhiQKZYde8ZGbTacKdYwVyDa_o-UlKPpllNjnAJwl3snHO-MHwtpq61Cdg1TbEKWCgo9L38tadI0HoT5Dmzn3fvhKfbqVyG2aoQa70wp0Qx1BmQHa8CamOND3lhLXJsb_CCYSH7j9LrN2bA (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: 7518b8d24e23b3cdc2fe (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)