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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1991/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6InRZQVlDbVFyWWRJaDdPVjdJQVI0Qml3YUJQNDBsX3gxazlYSDNoRTdOcFEiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxOTkxLCJzdGF0ZV9ub25jZSI6IjdhY2E0ZWUzMDA2YzNiNWNlMDI1IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxOTkxIn0sImlzcyI6IkRLVG9vbFRlc3QiLCJzdWIiOiIxMjM0NSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzIyMzEvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc1MTMzODE1MywiZXhwIjoxNzUxMzM4NDUzLCJqdGkiOiJmYjk1YmMxNGNhMTY2MDg3ODM0YyJ9.dwEf7vpYVmLVrabczIMUVmsPkwuIV4CWjfBjIFex6QXzCEDjFhQWF3NiNVc__mzq8e2rXxMG_0nY-T2EO0VHQqXvT3Chvle-6vF0YS3oGxdN5M7pCytQzsBpYMbaHDydTE8Uq0dFq87BzxJXF6ksystv-Z0iJpOVhi_rtg8xt_upcXCwVaY3H1yT7A4y-gINeFqVoYOMMdIFYGwKMPnad89RH6YtZNGgQpPSPfTmrOR-AYKrjz5H_Hb0fYtpKo3AxAHlneufbi7yd_oS02dAzCQ8MJ1iLL4WkXq4RW_qddvdM_6GNkHRW-4vrGtGPVJHKmkcsijtwZs-UbLHWJId9Q (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: 7aca4ee3006c3b5ce025 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)