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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4112/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: 12345 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImJvblBQNFlxRTc4LURkRUpoX3BaSnVySFZ0dHlsbWlSUjhzOWx0SGM0eDAiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0MTEyLCJzdGF0ZV9ub25jZSI6ImJlZWY3MzExMzUyYmI3YTZhZDI5IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0MTEyIn0sImlzcyI6Ikplc3NpY2FUb29sIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80MzAyL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzA0Nzg1MzUsImV4cCI6MTc3MDQ3ODgzNSwianRpIjoiYTc0ODk4N2U5NmQyZDM0M2EwYjEifQ.gXx9ygohZ1-uBTRKaojlDB741B3X64i1hiSzmLhRRP7xaZq2SZcNP7wQBxrWraQtUuCKkAK36RamcEIEWutkfKBMxGxqmfxOyhfjQ6994AQucvAjwgb4D_OAxsRt3gK-8DBisXRS5_6W92_wbfX61jzYJlj_Nr2hf_rCviMrv0krWqWN1kEt6vN7OAXr1b_KkIDt6EtpK9LOPqc2ZB5zsUL9vNLYrqUUoJDA0AKF2qL2Ar4lhYEM75wPk2qnWK7wcEH-hh6w8vl0-PfnBJa39sZyT9RPaJyhJnHJAVj2VZmvFdbsdsXtA9s-ZGHMbcU8YHBjjAqlAS5j1BcwVfHJOw (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: beef7311352bb7a6ad29 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)