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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/3129/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: client_id_from_tool_consumer (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IlZxNkJoSUNlaEN1cWRBTWE3eVdGQkhDRHQyM2R4Q2o0akl3WmhVSTg3UGsiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjozMTI5LCJzdGF0ZV9ub25jZSI6ImM1NDIwNGMzZDk4ZjE0MjEyYTRlIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzMTI5In0sImlzcyI6IlBFUlRTIExUSSAxLjMgUHJvdG90eXBlIFRvb2wiLCJzdWIiOiJjbGllbnRfaWRfZnJvbV90b29sX2NvbnN1bWVyIiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvMzQ4My9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzg3NjU5Njg3LCJleHAiOjE3ODc2NTk5ODcsImp0aSI6IjNiMTVmNzhhYzdiYjFkMDhkM2UwIn0.GraYcFD3UCaSEh2__vPf74W14_293TMn37j4mGTPdjUAUg739uJz_RXTxbu3CjrYiFbY4yQfBJgyJ2wGI8xfxgHvJZ9IOCWb_WO2PWzcoKR0_p8JDxySGIxdpLdznP0eiUJhI3UZS-ai9db5bUxuHd1itIDs8oR1cVt9aGIkHElvgv-hTR6wayzM8WzEZYwAINlNicEs5JIDDueWcNpH3uz_hWQr6NJnHW9CCT7xipjo-y4Q5hma2m0yz9kSual5w2SLHY-liPwCNsVp86u56IIYHaVG0xwkIXUDTgXbyEImvE6HX9YUrcpkJ2ph_PUNCbQHgcwdqxh1F3H3RkawFA (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: c54204c3d98f14212a4e (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)