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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1687/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: ims-test (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImxTRVlJYndiV2ltS2NmdkJuMy1mT1J5dW1zbXlzeUZBcW5lTWhfeVZDS1kiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxNjg3LCJzdGF0ZV9ub25jZSI6ImY4YTc1YmQyYWRjOTc4ZGY1MWU3IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxNjg3In0sImlzcyI6Imltcy10ZXN0Iiwic3ViIjoiaW1zLXRlc3QiLCJhdWQiOiJodHRwczovL2xvY2FsLWNhbXB1cy5raXJvbi5uZ28vYmFja2VuZC9vaWRjL3Rva2VuIiwiaWF0IjoxNzc4NTgzNjM1LCJleHAiOjE3Nzg1ODM5MzUsImp0aSI6ImVkNTNjMTNhYTJhN2NmOTQ5ZDVmIn0.WwgnZntu_xZ3dX-AL060-tsm43D16QKMemFtEMinvg3tJ2P4IK8TYIKYfgD_TIU9VqQmRZZvoHe1zUmgdkwHvuyyns-mvlMV1O-O5fOkN7GcMp3J9uSx4VkiEkJouSEdcBF-m8mJvlXu7-uO0w6SXEwDBGSoVBxYs5EgWo8Pu2fcq6Wif5Rk6D2TrqhxE7NdYHtZwEWJx2Ts9T4ZslTI4tG2LIi66CVvABw-Nh5USQqy0aN9oDlnQUSSWPuapVfrBz-dip56vaUM4oCL39GKokPBjBGOPpDK-Ua8_WJj8KOSbxHCCGuf2416c6NYAPyNexO0S0QMd6hNSTn6XCV2UQ (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: f8a75bd2adc978df51e7 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)