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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2505/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: 1234-oauth (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjNhSlFZbENVVjJHbE5VS04xQTdXTmVFVmxPQ3dSNjNDVmZsYS15YTBpOGciLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyNTA1LCJzdGF0ZV9ub25jZSI6ImMxMjY0MzdlYjZkZGUxZWEyYWU0IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNTA1In0sImlzcyI6IkNLIExUSSBUb29sIiwic3ViIjoiMTIzNC1vYXV0aCIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzI3OTQvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc4NTQxNDc0NCwiZXhwIjoxNzg1NDE1MDQ0LCJqdGkiOiJhYTcwZTk1YjllMTUwNTU3MTVjZSJ9.aazI23B2zUvx5-rJX-uIplNkJATAWLGQMhxwUj3hyix6iL0cfjmKkCofwYju8yLkHE-ECs-lVVId8lHoih3xTmijPeHPJJUrB5q0_6LCcaP2o-a6p1Pf5SvCFasJ0jNqywThrpA5ShavCCaGAwffQAtRavXxuuewoGBL_PDtAH-TImeBWnWANqGD0wOGx2J3EMaMuqe0gN7Kbk9itM84aatox5fj9dBmklpThZx2nYM3Q6xo33wy2Bs0opr3lRTwNqBMwdQGWUuVvFZdeWBG0_GvZ_DQfb93Q-gcXEnXA1Sy1FLkZskebV8eT8ILaq_M2L-Swi3XjH16AMMr7xz2IQ (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: c126437eb6dde1ea2ae4 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)