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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/3539/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: cgp1234 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IllITzE2SkxjaldxLWVIbTN5eEozQ3d4eWxhUDhMeEJHZE00N0NjTjJYZk0iLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjozNTM5LCJzdGF0ZV9ub25jZSI6Ijk5MjFlZWJmODc3M2E0Mjk1OTFmIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzNTM5In0sImlzcyI6IkNHUFRlc3RUb29sIiwic3ViIjoiY2dwMTIzNCIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzM5MTgvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3NDg2MzQxNiwiZXhwIjoxNzc0ODYzNzE2LCJqdGkiOiJhYzQwNjcyNWIyZjVjOWIxNmZmYSJ9.5dGtHA9Btq8eLRZGwJp-uabHLmRioPqvkEX7BiK950_lXkdUZ89LNq26d-_O3usWQrOtJSa7Zqj6WgCLUP84ZIGKgpWT_AHQnsx_CwWb009FScEV384vWVItcvAYszzSkt4JeWadsMPrB7XNqt_wsaj4lXLg_k2Tc130kY59Mi30anTzISMK2ZRHTULXb70i2-zC2ZXISnRh4Cy4Qxk9Ka3WpW5nCtFgAJVkdZ6eNN8a2TaoMTgnIief31ULtId2ow1GThqFTUW9MGTLfLn9lhVV-xxrlMM70kNuzJgQq5tOsc4C1qIFWphkJh5WajWzZFt9Rlpw01J62uqcbGHezg (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: 9921eebf8773a429591f (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)