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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2505/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: 1234-oauth (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjNhSlFZbENVVjJHbE5VS04xQTdXTmVFVmxPQ3dSNjNDVmZsYS15YTBpOGciLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyNTA1LCJzdGF0ZV9ub25jZSI6IjUyZWNmNzk4MGRjYjljZDMwOTBiIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNTA1In0sImlzcyI6IkNLIExUSSBUb29sIiwic3ViIjoiMTIzNC1vYXV0aCIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzI3OTQvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3NTEyOTE3MSwiZXhwIjoxNzc1MTI5NDcxLCJqdGkiOiI0YjQyYzE2YTRhYmRmYjU5ZTAyNiJ9.Q_ipaSSiNa6KqI1DqDkaSNejmQmwaAlg61h6j4Tn2Y-jvclmZIpS8dkHao-b0OlTQYey37CpnYizJe1ngsomWLUa_r22qHEiht_oMicaRiXfHVv_JMIS2ZAlkScNG4jjsUnmhNghJLN8REX4JRDV9UYwh7m1NGNxph4IxY8MPk0cT1zz5nLHemIeBGydHZBk48nbv_qWbeNMu4nT4uCygwtPezUlz6iTqI8PQJ01GlnB6nZihHEQHnmI6WXENJAcoI5siLRVwcJtbIv21a7ssgORXQX9Dry_7JsF14i6vNUPKXT3LhwTLKCML9Tyf8mfRRz2d-37gmaLyvfVLeJN2A (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: 52ecf7980dcb9cd3090b (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)