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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/3999/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjJKN1V4R1hBY0RzalczTUNlRkhLdzlTMUJVZ3BHOWlVVFdGenloOXYyTVEiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjozOTk5LCJzdGF0ZV9ub25jZSI6ImY2YjU4YTcwODg0ZDNhM2Y1NmFjIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzOTk5In0sImlzcyI6IlNvbGlkUHJvZmVzc29yIFRvb2wiLCJzdWIiOiIxMjM0NTY3ODkiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80MjQyL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzY2MzIxMjcsImV4cCI6MTc3NjYzMjQyNywianRpIjoiNDU5MzE4MjhiMzdkYjNjY2Q1OWIifQ.QD6D9uGNgQBMAjPljMiwIdDlHUkGfhAn3mlFi55Nad-75AVjASSimSXWRs1UgEvhFh92mc_vHEsRMWXhFlzhjrT7ijcIgpNBM_GdZEhCNiOfULaPQH8JQjPxu4xbOW_kJDH4qBrqhOGixrUNcHk_FWSejMpocPL6gLDkFMV-n3lBkFxqDvAfh2pf7T68_cCD0cq1bYVxRTxGhZxOg814HiZU315z1x8jxzezISORUe2R1iGTzOqjMqINWFfqbAllsjBIGVzrBs6WE6u486OJuWWFDAFH9ngjEU855UKBtTpTrwWp00GPR4JVcRxI_PiCjei6fCxEVJK1RRwmd3jSNg (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: f6b58a70884d3a3f56ac (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)