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.eyJ0b29sX2lkIjoyNTA1LCJzdGF0ZV9ub25jZSI6ImIxMDA5MWRmZDEzYjJmOWQzODIxIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNTA1In0sImlzcyI6IkNLIExUSSBUb29sIiwic3ViIjoiMTIzNC1vYXV0aCIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzI3OTQvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3OTg0ODg0NywiZXhwIjoxNzc5ODQ5MTQ3LCJqdGkiOiI1NzBmNjFmZDIwYTZiYzg0ZWQzYSJ9.XFowRnlRrTVjeKyNYR4v0H6gn8AUgHB-fnbNKtcKDCLkLOusaR2XWwk-RpZbOZ_qerBqZ04Ykr6ZKwFG_tldZJI2QElOXOralZH2xt5DCfG029EvhkQtNxq6TMbvSWz4VXaFfFwe04dSIUVtP4lwXpwvomT9yLSLYo6CtlZ8Y8bxi0TU4A6GhBPT7qGaSYD_aPBqYVlv8d3DEjuifCfU-a_Dn1p8FUZVRss4YGcDUTIn9QhG--G3V1QH-jF4eTa9q2SYHrvf_mIJeliIRBDMWeDTcwQMs8e8pTcSko8xJxn6vU5Q1QqWC5fClhjYURMqEKZi-4bFk0h1l7uJXlV_KQ (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: b10091dfd13b2f9d3821 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)