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.eyJ0b29sX2lkIjozOTk5LCJzdGF0ZV9ub25jZSI6IjQzOTQyNDM4ZTJhMDYwNmFiYTUyIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzOTk5In0sImlzcyI6IlNvbGlkUHJvZmVzc29yIFRvb2wiLCJzdWIiOiIxMjM0NTY3ODkiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80MjQyL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3OTIxMDcxNTAsImV4cCI6MTc5MjEwNzQ1MCwianRpIjoiOGUxMWEwZGIzM2RmOTg1NDIxZmUifQ.pzsFF9rhmf_5TvX_dOcks_0ERF8BQE5vHn_Fn9cLLyNWQs7LYAmmYBT2A96KItSoK-iglxz2ygaFWcRAi4bosbm3kqRQvnyRDj7CEeIpPZT7nCsNfs6juR3C2nt5dxNZ5mPhWSWBdVZp-ncN02Vbv8jYjeZ1JFukrTtg2_JgiNJi33cSHt3_QB2GxZzTSxjBn2OOdJniNvK0bsP0-IGDLWM7aHPuPhOqI5xYQ_nH1rmp_mq65urRbdI4JY86b1wrckAh1xEcWC_WcUn1Qiv_8BavBa6wBUuNtBui1Kq42TimmE0yhDJ0MIm2KIfO6GYy85eUu2HCgoDqgCunHaFI3A (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: 43942438e2a0606aba52 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)