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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/3321/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImI3UnRlTU10d05XSmYyX1NLQXhWdllKN3R4dEFxMDBMdVhXRFl1Ym01cVEiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjozMzIxLCJzdGF0ZV9ub25jZSI6ImNmYzQ3YTljNGNiMWNlZGI1NmNiIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzMzIxIn0sImlzcyI6Ik9yY2hpZCBUZXN0IDEuMyIsInN1YiI6IjEyMzQ1NiIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzM2NTUvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3NTAwNTgxMCwiZXhwIjoxNzc1MDA2MTEwLCJqdGkiOiI5OGQyYzUyYzQ4MGVkOWUwNGJjNyJ9.L7_tP6E6k3YQjiKLoohoe1wpVsJR1hUyUDavEYuMODy1UYNHr-ZVwuZcOgXJEWYCReEpCNbB3ia5WgVh7iNvuKU3-6ySHq04kAdoOdcSrAL5DgkftIi1cIhaUXFiBXT356i4RjjG0avyanO2byGTnU34rYdu-EuoZDxsl14zT8SaC0ft_yUYBs2MvFGoA-EI0btu1DEEglE80ZH9Bj36sVaSoGcQLcQ5q0QGxAJ4Q6GyfhefcMCpkYLIT8_XSQSk6fj64L7Z6Y7tNqfdNW7mFiWROJchqc7Pha9Zd0flJarmpCH7M0tXb7OJwcWdhbPGNKl7Gi_FX7ojCMnGK3MsSg (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: cfc47a9c4cb1cedb56cb (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)