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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4431/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: tool123 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ilk5RVliSUVHMlNNeVM1anV1SDVveVNLQTNrTEd1dGtuaFJDbzY0RXA2ZWMiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NDMxLCJzdGF0ZV9ub25jZSI6IjQzZTg1MDY0YTVmMjkyYmJhODVhIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NDMxIn0sImlzcyI6ImhlbGxvdG9vbDEyMyIsInN1YiI6InRvb2wxMjMiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80NTE4L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3Nzk4MzI3MDUsImV4cCI6MTc3OTgzMzAwNSwianRpIjoiYzY1MGNkMTk5NTBhZDU0ZjU0NmQifQ.ZOA4AWCSrrf21yi2Kg5lzUPXD79NN2-Czf1KfkzL2b-wGQ_nl1X0d-tGvbvAqns9cRiqNVJmBTBbToFT-uaQnZTPkSK2L8dIvBvjxisOF6EksTxvlW4d914VxY6rvFUbcdOmGjqzrAVDK1V1zsf6n_QQQ2nTV9FNAXOh6LrxU0LJWeqzTSbX1tI0RuQuil5pmpF-FTQ-OHSgg3C67gLGJAnnGYQpmFlr3zPJckQloTX2U-8E1-ef-IAqWM9ROczefrIF6lKkEFXWYE1NYOHtS5DH0Bo3uL8FYV9YOraZ-Q89y88PLsbB1twOp75UCKEAGIN0e9z1g1IVi20_hYo_xA (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: 43e85064a5f292bba85a (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)