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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4516/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: 123456 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImZmME02cWtKN0FOck04SzA3Sldhd3RmZklBaDNGUms4M0d5N1ByLWRlc0EiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NTE2LCJzdGF0ZV9ub25jZSI6ImMzYWIyNTM5NGJlODIxOWQ0ZTIxIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NTE2In0sImlzcyI6IlRvb2wxOTEyIiwic3ViIjoiMTIzNDU2IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvNDU5NC9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzgyNDg3MjQxLCJleHAiOjE3ODI0ODc1NDEsImp0aSI6IjRmYjhhZDRjNjg0ZDY3YWYxMzA5In0.Z2rYJLuYvPTjpNb47g16G1q5Mw4ZT3LxZfI01yVfWeBiuvBXC3Oama4dvGLUO-XMH8dmNRsNki8LGV525C6nv8jj9raGl9OGlGsJreD6HKk0p9dLhAnYK_qzAJeCDzZsETFeG_hNL4oYxmp9VKrVV31iapzn_Gw2d0_exL5Oslr1GMXotX0B7v-8J0qlCrotVc9B-tKUM1LbU6jV4f9AuCoU8xwNqnpmO74g3qEHCoh9Pzich_DWwWa9lwWBRudDZiA6iAUQI_2dfx1MHziZ4XRCZfUKu7cGWxv3BjWWu7NKCzoqiNvmc6kYdHGq9Wn5Vyg6NPEX2-3WS3IyQN2TsA (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: c3ab25394be8219d4e21 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)