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.eyJ0b29sX2lkIjozOTk5LCJzdGF0ZV9ub25jZSI6IjQ4NWEyMWUzOWQ1NGQwN2EzYTQwIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzOTk5In0sImlzcyI6IlNvbGlkUHJvZmVzc29yIFRvb2wiLCJzdWIiOiIxMjM0NTY3ODkiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80MjQyL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzI1NTE0NjMsImV4cCI6MTc3MjU1MTc2MywianRpIjoiNWFmZWVjZDc4Mjk2MjZhZDFiN2IifQ.Hm07ygSXNEX9Rvy1iazyTJdK6HZbcs0TGoiyb1Uxo22DBXoEuKupGjMPdhywpJiKRtdYej_joPCaajC7Oa1f5l_mpLHjnMFp0cSyjLjEo5z8OoFx1ufHiD0xXloR1M3COqZKnRpz9YPKd4t3wb3NFLzbheRlkz27x9N7mbM-az8kvuDKRA0OItRhU2PYnXec68Wh64ktXa_ukEcFl7XIPFqvfvKStWUOdxT9JVhtu8BIsPqJ7I4RHa0pD7tFbtLQfv8kP0tgD92avs1d87tJunL9moylywP175y-iy3cngtcZv-brkzBQow3qyz23ws71x1b9DNFaI8nkkAQciKwtg (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: 485a21e39d54d07a3a40 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)