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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4812/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 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ikp2VHpaNjFfdnJJUmJMNUU3TkcxdUxFczg1TWRyU3pHVUlBc1dzVXlsYWciLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0ODEyLCJzdGF0ZV9ub25jZSI6IjljYWRlM2IwM2VkOGJlNmJjZjhiIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0ODEyIn0sImlzcyI6ImZyYW5jbyBsb3NhIHVicCB0b29sICIsInN1YiI6ImNsaWVudCIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzQ4OTIvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc4NTY5ODI0OSwiZXhwIjoxNzg1Njk4NTQ5LCJqdGkiOiI3YWJiMGRmZjBhMWZiOGE4MzAzOCJ9.TiJC769f4sbWU48aLw6IRTDuBNsGXOjqQFL1q_i5GVhY1InQ4PYQn-KpeUu6RY4j_8puRI6LFBjC7qRXm6OozWwHbdQYJjjD1QsfUwmg04IjoFsH3sP-xEiEY4C2WEzthHn-wRzxKdRx-R0qylGueAtzkDF_mnT3YhdA1rvYq_7lMiUdkv7Tb-4EyNnwm4dtGJ-4lTRZX6T46iF6b5zCI_Y-eJju1nyIe25LO1ufN4_62D8kiLE6rNpxj-8laUC9nZa9R-3TSMcnLZO8wFsm9LctnDZMVBbXyo6ibwn31xkSk3-497LXg-a_245uyF_xCwzKAM60NZL6eabITP2LUw (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: 9cade3b03ed8be6bcf8b (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)