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.eyJ0b29sX2lkIjozMTI5LCJzdGF0ZV9ub25jZSI6IjMyMmYyZTY3ZGMzZmFmMzZkZWMwIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzMTI5In0sImlzcyI6IlBFUlRTIExUSSAxLjMgUHJvdG90eXBlIFRvb2wiLCJzdWIiOiJjbGllbnRfaWRfZnJvbV90b29sX2NvbnN1bWVyIiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvMzQ4My9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzkxMTg0MDc3LCJleHAiOjE3OTExODQzNzcsImp0aSI6IjI5NWIyZmFhMzI1MGMyYmYwMWJiIn0.U-YFOC96gskUeFsRSTN47k2Lqqvwn-fV9Io9j_0V4vBNT1NoeRlHoyAVSKiwJxUbLd_C2qbYPf9yYz0KMoQF0V_Cpa1FeOkIei7FMa5E3L0zKd4qf3bm6vzaZhxo-DjIZDo6iy9uE_osU2MaG0rH4lXbpfw3hyx3g4jVMcLmSaM33rwwkkBd-d3rXyDkzz9OiCX4A341-dqDa5M-xZ-t4FxEswH7Id5koGk2sYC-5tqXXaAx-ldTL1WxJVPfSANt_CxnK20_SnskKJxQetUue2XXLNHj2vutDgjauKwj43ApDRfBchvSSKjUOxBOVHxxJH-MwPxPFGCgGTYaWjnkEw (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: 322f2e67dc3faf36dec0 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)