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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4974/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IkhoSXotZjhiRE8zTUxKTDZNemtpeXRFdk5sdmlYcGxCaDVxZE9MUm1sVVUiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0OTc0LCJzdGF0ZV9ub25jZSI6IjQwYzhkMDY3NWJkMGI2NDBjY2IyIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0OTc0In0sImlzcyI6IlNVLUVEIFRlc3QgVG9vbCIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvNTA3Ni9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzc3Mzc2ODE5LCJleHAiOjE3NzczNzcxMTksImp0aSI6IjA5NGI3MzliMjNkM2FjNTM4Njk1In0.CCafFu5Lty4lTLgxZQYvuJbWNezQdZbI-KSgwJL7wn46JjRWwPGEevbsSn51Z2WY4sa4ChcR-6eAAaI2v9Kmzi_KDb_lwYI47HwALZWyfQJS-Ms3wR0To16OdCopqvGgYEant7JNlXOojWifz6O86eXVV6yBzRiyhl6W_cTVN7jdX-0q_01WTDPwpe3qlmOKbt15FGCt9WcJ0nKrl24H467HSH9co6bgjiCsKbQeFwIX_PEtgk67WS458lY2SF23RZiUnXh4ecXaf3cXjo95HACz5VwkeO7qavE9xVMUv-d_D6fT4zIrEWfpJkKTQnnLBcIKiiPxzBtJ-l84TpZKGw (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: 40c8d0675bd0b640ccb2 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)