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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4868/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: client_id_123456789 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Il9pMDVheElFY0VBS2NtLUFodF9pLUZPTkZ3VEtoVzFIZVBvZTQwbVNvd0kiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0ODY4LCJzdGF0ZV9ub25jZSI6IjhjMTc3YmZhYmUzYTMyZmY0Njc2IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0ODY4In0sImlzcyI6Img1cFRlc3RMeWwiLCJzdWIiOiJjbGllbnRfaWRfMTIzNDU2Nzg5IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvNDk1OS9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzkwNjMzODU0LCJleHAiOjE3OTA2MzQxNTQsImp0aSI6Ijg1ZDk0ZjhjODE1ZWNlYWE2MzljIn0.dQsMKC6iy-jj3GTr1footB-SbyQHUIHtRbZRW9GHE_tzPL-npFmctir1QRgY82GfwTFWIL8NZv6_-K7AuIck_EaOF2EmL9HKn4Ptdy5ECH1EDzrXQQuVYmrvRFH26u39LQGlN7aW0sQ4AaYMBrFswbgorwdJgLIL44OgSaqiMZaIAo3q5Zv3qga0ncR2StDZun3SsI1v3eiYBSOdKh--F3AUsWw05Vglm0YanXNGFaQuptZPadoQVwoO4jgRjs9ET-RpkQqdONJ40Gp6ajc0q9HCMUKV2mky4gYaf08OM0u2H21OCp42PQ012HOmdky_8bxAKAZrTYHqjJLady0KGg (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: 8c177bfabe3a32ff4676 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)