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.eyJ0b29sX2lkIjoyNTA1LCJzdGF0ZV9ub25jZSI6IjQ5OWM1ZTdlNTNkMjkzZDExMGUyIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNTA1In0sImlzcyI6IkNLIExUSSBUb29sIiwic3ViIjoiMTIzNC1vYXV0aCIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzI3OTQvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc4MjQ3Nzc1MSwiZXhwIjoxNzgyNDc4MDUxLCJqdGkiOiJmN2I4YTEyODQwNTljM2U1NGRhMSJ9.pFmW_u-8hIRFUqViOP_Qguhu9-1GG-UzKd3WAfUi5hiogJDV47AVjQ2jiWZSJlyXqJDnj93h4RMTWDinDgDjBzonjjstag4Ma6aIWGMPFSc-wNu1D6icbHx3eSxXmfs4QIG-acSuI31YY86uCJcvahIwZxyL-9FJEiYcH7_nrCFRdnO97JtlL-g41uzNQtidbkyqgknKSyg1s4G4v2Ehv6-NieuE8o56gNLoPFDWi8SoWRkEkeR1pOAT9X8PexnJcn4dw-hLQv3MZXqXljcPM_6hoMOtZOPcPZJtuyJ53rvwMu9aI-RVEAvsNFB3nVXvUajdlK9dkN7mX5JbyJCtEQ (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: 499c5e7e53d293d110e2 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)