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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4431/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: tool123 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ilk5RVliSUVHMlNNeVM1anV1SDVveVNLQTNrTEd1dGtuaFJDbzY0RXA2ZWMiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NDMxLCJzdGF0ZV9ub25jZSI6IjQ3YmQyYTZkODllYzkwMjRmZGFiIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NDMxIn0sImlzcyI6ImhlbGxvdG9vbDEyMyIsInN1YiI6InRvb2wxMjMiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80NTE4L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzUxNDA5NjAsImV4cCI6MTc3NTE0MTI2MCwianRpIjoiYTFhNmJiMmRkOGY5NGY4N2M2YzQifQ.vVoT8Tm29y6kTVnXXjj7jIr7Wbb6fdkU5OXSxH3v5LhLYEYRXpbugpfjXzKLwK8h2UBreAiLsAv674qfUlypRZ2VZic_x1oy2ZkXCU_CB_VzsKcQDqTmvv-n2UzDsktDt8hzlI5gMpe9Q1DOvh9V2-QJqTVneQc9LAaig6WiD26w9HqjP3JPQOOP14PmmMV1vv4Rk9G4LNsPCoZMRW661PEFxCQV7GIUQ_pYR73QMNQojtSw3m5WOSkgVNDoyXvCCSGZ7JNbvAx3fuUSWdxcFSb_6XQPzvWAPWpizQfZNCmrTEkA1mwUBb3Exm5_OiFc3uSRVT6nQs3HLVTFBY3_eA (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: 47bd2a6d89ec9024fdab (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)