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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4812/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: client (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ikp2VHpaNjFfdnJJUmJMNUU3TkcxdUxFczg1TWRyU3pHVUlBc1dzVXlsYWciLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0ODEyLCJzdGF0ZV9ub25jZSI6ImNjNTAxMjFkZWI4ZmU5ZWI1YzRjIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0ODEyIn0sImlzcyI6ImZyYW5jbyBsb3NhIHVicCB0b29sICIsInN1YiI6ImNsaWVudCIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzQ4OTIvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc4NTcyMzA2NSwiZXhwIjoxNzg1NzIzMzY1LCJqdGkiOiIwYWRmYmJjNGRiODBlY2IyNTg1NiJ9.SgfwLIAMUBds9d2UZLnf10nUdoUYhnStjFyrzvApghG3c0a7_ov9LP1NhVBjvZGUVACs4rZYw15AWpOiB5WIzztoPs8dEwy_LKrLFYuQCVMWR8HkBevV9IfCePRKqxq0CPozyZZgIez94zNsOFUmQnWjxBP0KqNrmAy8Hv7jeDuxY3Zx3fHOb4hUyYmNZ0FJA3hkh4rxgvuKiW4HtQLrvx52JTm0baWqCdgfldU0eix8JJoWtzdfoBRFXJ5apircwaMZj-zJ0sxGI6bAX05_E38j92XhfjHEjEee84r1Eb8niMULpsOdxt86PttFARcaoFs9Si4TOrYc2wmRFcPVbw (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: cc50121deb8fe9eb5c4c (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)