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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1850/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: ab23789 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjN4UHNoYUJrRy1rWUVscjY0MHVDYTRyZnJNNlhEQmlJU1hJQl80WWFSaGciLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxODUwLCJzdGF0ZV9ub25jZSI6IjczM2Y0MzQ3MjhlNDhhOWI5NGFmIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxODUwIn0sImlzcyI6IlN0b25ldG9vbDEiLCJzdWIiOiJhYjIzNzg5ICIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzIwMTEvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc5MjQwOTcyMCwiZXhwIjoxNzkyNDEwMDIwLCJqdGkiOiJmYTA2NjE0ZDIwZGI2MmY4ZjIxOSJ9.gFLgTx4iMNYg9xC9vf6MOQKTUszPgN2KmoaRveW7uGUd1r8WZ73oaqpZ4Vw05hjfzHyZIX30iujH0cdr64sj7ga3SXc31yxWPDR7_Em9Hi8LB_GpXNAiBFsSuRYsl_SVOOHyXyTV4LVWRX6Jc2ZAoSnxDFRm9OjshJbXM7kJ8P6O6nd5lZBfalz4k6dfPoaqs4Rls0OOFH7L-Vacg5uQnUnkkACtKk9cdxWWlFPR3ecHl4XvEfCSS2-MSi6aSzxrMPwXtSJKTtJeOPTCrIvgJaRXJxcwJ8ejO4K9DN9ePpa5QaBskK7WUNYbzI-Fun6uj4BHN4eW3papmGqqiWRztg (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: 733f434728e48a9b94af (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)