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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4516/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: 123456 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImZmME02cWtKN0FOck04SzA3Sldhd3RmZklBaDNGUms4M0d5N1ByLWRlc0EiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NTE2LCJzdGF0ZV9ub25jZSI6IjBiZGNmYmUzMGM2NDYzM2YyZmJlIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NTE2In0sImlzcyI6IlRvb2wxOTEyIiwic3ViIjoiMTIzNDU2IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvNDU5NC9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzgyNTA0NjE4LCJleHAiOjE3ODI1MDQ5MTgsImp0aSI6IjNhNmZjZTkwMTQ2YTBmNzU1ZDU0In0.Cp7l__842zwn0qDuzAShgwgCrtL1o-PrW2yCJpGxsKyrPOD2-dOXdcTsp8gZEog0CjXd0tjczuRftVh3H4aQwfEFLEwqZOd6qzDLxPYGWbqkyDnhSmJpxkXt3hxIU-whqS9pcZSRWxj99GTsGQD8OpFLzQUUfBV1WnxZGIfnUYBvbAwyOSusW-G8fbU7R_yECKoN3bxPrwUFI8G4Z9LcZyB304XKS_3Upkoj_3Yv0QEwh2QhbiR5t4G3QMIsqG0bkgd6jvfhdYvp8RwrSY9Q3cwWBlobIvLcZBvGK-KpZ7eqMSvkZzwE5vfUUQjvK1o2on6_sY0VpnTjeC9PjW5FgA (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: 0bdcfbe30c64633f2fbe (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)