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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1991/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6InRZQVlDbVFyWWRJaDdPVjdJQVI0Qml3YUJQNDBsX3gxazlYSDNoRTdOcFEiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxOTkxLCJzdGF0ZV9ub25jZSI6ImM4MzU1YjhiMzQ5MDY0MTAzNzU5IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxOTkxIn0sImlzcyI6IkRLVG9vbFRlc3QiLCJzdWIiOiIxMjM0NSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzIyMzEvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3NzMwMDE4OSwiZXhwIjoxNzc3MzAwNDg5LCJqdGkiOiI2NmZmNmYxOGIxNzZkOGYzN2FkNCJ9.Fjj5wOJZPeA2N-8it6NKefB8_l-Ps5Iad-luWb-vvG77TilDLgug1-903mrTnjlWmEQldlYYm43puqWgheRY6LJxURHUYYu2MdfxeQOn03Wj_4U95EaNOcX0iVaLMRx6Jq_0pur5EwGvu2QJLGWeofOOlEPfsm-otqun_kY5nOOzUgGaJDmcim48cku_BoNO9_luJh7TejWjpo-gp47qqFGmrcQyyquD2SOhjiOqVk3bX1ZkQAhaXG_wn6ax9gAH7TWrUsoYIqaj6ZvQWFSGw7bO51lCY-e3prCPBPvg9F2kQUZXqTTp69CPZS-BLPHJNrLgbfcseubKWIFvYRBG4g (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: c8355b8b349064103759 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)