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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4684/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: dff12345 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IkF4UTlBTGpTbWJWY2pMdndoTkJqNFE0SDlFSDVuZUo4R0tCTExXVlVtSkEiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0Njg0LCJzdGF0ZV9ub25jZSI6ImFiMGQyZTY2OTJjOGJlOWZiZTVjIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0Njg0In0sImlzcyI6ImRmZiB0ZXN0IDEiLCJzdWIiOiJkZmYxMjM0NSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzQ3NTcvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc2NjIwMzkwOCwiZXhwIjoxNzY2MjA0MjA4LCJqdGkiOiI5YjI3ZGU5ODBkYmMxNTkxNDE1YSJ9.ic16K91Y1-4U6u6TRNqqfHCsHO6mD4ZGtx2gV7IA_33wRjVCPDjy9Rh91KREMAtnsCBbZ2WucDJV1gWAkBGIGbRdSwsJ8U1aeQnVcmtT0RBq4-RDiU_GJtWT24FzjfkeHq8oAgdo9ArY0QAN1nhdZUro2D0p4BKNBHCSjQKR1onxp-DjxOLDfZLH4DRRVhC2JwJphD2pHuyWEYmzwsjaod4TGW4s6wvKm_zIPRhfQRT8kMzFiHW4IzhLV8wzqbU7NDaoVguFpgvj9gJxfGDm3BH52w8MC0ZoNivFAkqzc1enpBC-XxRE3DWHJxBbW19Bf3SSOJxMsOR1qCfqYP1jsA (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: ab0d2e6692c8be9fbe5c (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)