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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4903/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IlQ4dHN4VjRiQnkteXl4WDhPaEJ0ZkQxMXB0bVc2dWVHWGN6VXRXc3kxeFUiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0OTAzLCJzdGF0ZV9ub25jZSI6ImE5MmRjMjMwZmVhMjk5MWYwNjViIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0OTAzIn0sImlzcyI6Im5ld3Rlc3R0b29sIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80OTk3L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzA1MTMyMzQsImV4cCI6MTc3MDUxMzUzNCwianRpIjoiNTM1MGU1NzAwMjg5NTZmNDQ1OTkifQ.IksvSmRi2Ya5180-hauycSC3sW0BCUq2maQYQFvnQ8JunW2Akh_pnhcUP2VMQt6zZWVpOkuBjWKrLjGA9PM4VEz0PKLyXJLDg7ehbgJKhWTp6BBw0ofIH3vLV8ZV3uDrkaoV6xXPbEgDvyLUq9FL6X6mryTWKC6bCp8z4uPdJfRtxW9xeaJ42ycNFdLPFA1k8zCst_GHZtTHkPpUw0_RizKIJ0Q-UeDK_5v1gkfRRygwUIClVl1z5QynyMvGAN9j2x621FovK6zZxPFq_iIUPSGDh4YaFpe1xO7AWpvdZIXmf1pJCrwRQqaw_y9jZ0gZv2fUeWPxGBTkdX9Qone_ow (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: a92dc230fea2991f065b (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)