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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4661/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Im5UQW52RDlWRTVIMjhwVHpkcTdpa0p0cXhIeHNrN1pDakh0QkNIMTZaRmMiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NjYxLCJzdGF0ZV9ub25jZSI6IjhiMTRhYTliMGJkODBhMGUzYTdiIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NjYxIn0sImlzcyI6IkZpbGVVcGxvYWRUb29sMSIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvNDc0MC9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzcwNDc0NDI1LCJleHAiOjE3NzA0NzQ3MjUsImp0aSI6IjgwYTAwYzQ5ZTBlMTM3ZjdhMWRlIn0.OrvNGrdg2AXZuTWsKmhKqRMgbFMfW1bSF7fTq8OjpK1NdKBg1LP8E4_9UNX_I3Ok1lBJbepU51VdF_Nrezcc4LAUHwUfUyMzOddqgccLwoWlbOX8ZxOqKYQpcLrXOGNm8EDDKFI9bPZpzJqW69DpzMrev7ROQXl2flV1WCJ19qEo7P513VCalYxd9iCgAF9bR8aXCATFvte1t4uIDpppVuEqGoF5TNyRnbmk8wRXGTv_jh1m0y0md5NCD-G-wO9COaGWiidrEiV7VgBiyFz7tKW2CPpwBDCeKJix7KS6saiQsW2IUgkdFOPm3pdhX_JJPKofC8mO-2NTXItGwgYzIQ (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: 8b14aa9b0bd80a0e3a7b (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)