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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2257/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: 123456789 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImMzQjZyZ1FrSGxET3h1amhON3V6LVZSWjh2Tm1sODJCSGVuWEl1WkREaUUiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyMjU3LCJzdGF0ZV9ub25jZSI6IjAxZTUyZjRlMTBiNWZjOWNiMDc2IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMjU3In0sImlzcyI6Ik5hbWUgb2YgdG9vbCIsInN1YiI6IjEyMzQ1Njc4OSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzI1MTQvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc4NzY1NjU3MSwiZXhwIjoxNzg3NjU2ODcxLCJqdGkiOiIwODJlZDBkMWI0ODU1ZWM5MTFhYyJ9.MhjzIiaF-L_iiAvhecBCHythUTfOkyZ9u-LwA7uV3-BCUFt26qPiwLgxv1ue-ZD_xxf8a48fryoLlbqKwpUhJtWdlYNb-IfUvAyweHpFzodDZWpqkAKKpkx4OpvpqvxX2OPlMrboE_posKkGTKsJ4OMhbm_6eHuxnmNzHb0vVf5nwm30q56i42PZRl6Qi7023IFJmN0RAmRt9NkdP5086WA5E46NSsrUsxJOddRaLkQCroBZnck0rwJRdj_3WMPBhitJblOUUMQ9HMcRb-oi7i1zJ1xA9kZqNhJyQVMEDOfCOi0hxIcjyvXh_vc8j_ZFSYTOLj9c933oICXrpX4oZA (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: 01e52f4e10b5fc9cb076 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)