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.eyJ0b29sX2lkIjozOTk5LCJzdGF0ZV9ub25jZSI6IjhiOTU0OTUwZmNlOTEzZjdhMjZhIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzOTk5In0sImlzcyI6IlNvbGlkUHJvZmVzc29yIFRvb2wiLCJzdWIiOiIxMjM0NTY3ODkiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80MjQyL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzA0MjU0NjIsImV4cCI6MTc3MDQyNTc2MiwianRpIjoiYjE1MDc2MmQyMGMxOWRjMWM4MmQifQ.mjmLbl5CHmIFAbkMddegSeqbqClSNoO78MtE9y9oofbwTLAupO2jQVt9r8lSwpgRx8_vFpKaqHttGNS3pruWBRVGzwTayFZtXsEbANjJKeVk6z6z2-a6vsPobqY357KomvPbqIgTYBj9EJ65Ej5-yqyVOP6O3ix7TSxKaS_4Sb4gF6eg8x_dEPHbu3KZt-fLbEQiX5U-vsHynp9mO664AgNCbNOlvdgS01i6isWgaUIJ40hGX2-g_Jd4lhMuO1CzofnjjH5krRfrEcQASm9GkAdrytelStpbkSf_D1hH9rN63D2wx1ZS4o0PHC1etuvu67sTwAoFlAdMGylWcBgGWw (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: 8b954950fce913f7a26a (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)