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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2515/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImdpTXdleHRfM0lNRlUzZHdEVjAyV214a0p4d3RrUFJoYW8tRjBDam95SU0iLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyNTE1LCJzdGF0ZV9ub25jZSI6IjI3OTYxZmEzZTM3NjU0NTkxYmIzIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNTE1In0sImlzcyI6IlBhdHJpY2lhIFRlc3QgVG9vbCIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cDovL2U4YTEtOTItMTE0LTgyLTE3MC5uZ3Jvay5pby9pbml0LWxvZ2luIiwiaWF0IjoxNzkzMjE0OTI5LCJleHAiOjE3OTMyMTUyMjksImp0aSI6IjEzNTFmZDk3OGViZWIxYzE3OGUyIn0.nQP_dTUzbyBmu9HrjnmrDYsbyTRW6y2Kkg-jShtraCvbRrx3C1c7KiYRBwmWXQ9ofRhJOHiY2dxM_7O6GLAy2eHlYMcYx1UtCxtszoadv73Aib6vxv00qryl76Q_zkSGxZ53JimJPuoGjJVmjufKIVuxlDdxEH6aXiKz7xRahUokKuQLvmKtQd5Gr9BAf91ZWu0gs0uuBRNlcfxLVQmDmEOatpSzlD1ITvj0SvlQ0XO_JOIHHmv5HBXeU6cLFVMFkj9MloLFnv1VRkI_g-b9DIj83lzeHiAnbLUHCT9KwwhPwxZB1yTyIvTCXtjOSag_Yq_N-eYUZAcd2qdU_sxiLQ (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: 27961fa3e37654591bb3 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)