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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/3553/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: 12345 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IldzcjhtSENZeEptV3NPZERxblUxdDdxZVZ3RVBJTVkxdElCRmI1M3NOOTAiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjozNTUzLCJzdGF0ZV9ub25jZSI6ImE4ZWFhODdjN2U5YjY1NDRiMmY4IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzNTUzIn0sImlzcyI6IkVDIFJlZmVyZW5jZSBUb29sIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8zOTM0L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3Nzk3OTU0MzgsImV4cCI6MTc3OTc5NTczOCwianRpIjoiODNiOWY3MWY3ZmUzODRmYzk3NzIifQ.JYoinfEQN0r1YjjIQ69BahTeH9Sjl4skpopZTwHfZavbuMpHtqu9z3B67CrNC7u_WWEMQvzC901n6CwtUSRmV5m8DhIsB6uZqyxFoDhzu6SxcfSG-PK0QQ9ormUWfx-vq2WdzePH2pw9SSTaS_5YXK2P_S5Jkoa58CNyY7eovWpxfybb_1y2HLoXng8BDDylahbTmoiRFghkn1ZoRlGYD3_orTF4GgFM6yep-iruXA4ENHvb_GeasVHBD2Wlac8X4Lygzi6fS05bG4TrA1dC1mwiaPDM_t9RHa7Fq3M5LCPUFxehAvmEGpv_giPCCASkKkbe4-9jHK73F0vNVstNZA (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: a8eaa87c7e9b6544b2f8 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)