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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4684/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: dff12345 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IkF4UTlBTGpTbWJWY2pMdndoTkJqNFE0SDlFSDVuZUo4R0tCTExXVlVtSkEiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0Njg0LCJzdGF0ZV9ub25jZSI6IjY2ZGM2MDY1ZTQ0YmM5MmRmNzMxIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0Njg0In0sImlzcyI6ImRmZiB0ZXN0IDEiLCJzdWIiOiJkZmYxMjM0NSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzQ3NTcvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc4MDQxNjAwMCwiZXhwIjoxNzgwNDE2MzAwLCJqdGkiOiIwYzNmYWI2ZDUwZTNhNGI0YzgyMiJ9.afpp_BNvey_MRb-1_Wgnv6w_8R2qKSK2IxbTBM-i3hU9R8cTdwiMaWNZZHnWWtMmfxPGoyU67GYryuGh0msG5kyFt5xttXQu7DwL7z06yrNm8i52rOKQ6XsQ_aFQeW94XAZxKKpPbIx6vy8GqzwoRpTidsDVw89aDJsQ3mL4gokCqK_HUjGYLOcMxXzXJXV-IPbDgbtacbuGLbtSdXRm8yf0EfydXt9zt9f3cA0KYjETERITJR2a4-5jm2ED98JgYZurV5zZuvw8Zc7vISyDE_HSBaAZf30QDLZO1g6PAd-_RDIQQwBI2vjnOR-ZnoeGmD3Jo-XrWxi5FuWvTuiLHg (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: 66dc6065e44bc92df731 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)