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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2578/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: test_ruby_ri (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImhLNjI5SDN2TmszZ1Y0NXlPbzI0cFpyUkRYeUlydG0wWUYtdnRaSWhLWk0iLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyNTc4LCJzdGF0ZV9ub25jZSI6ImM2YmFhYWIzOTRkN2U3MWEwYjc5IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNTc4In0sImlzcyI6InRlc3RfcnVieV9yaV90b29sIiwic3ViIjoidGVzdF9ydWJ5X3JpIiwiYXVkIjoiaHR0cHM6Ly9sZWFmZGV2MDYudWNoaWRhLmNvLmpwL3BsYXRmb3Jtcy8xL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3OTM1NDIyNjYsImV4cCI6MTc5MzU0MjU2NiwianRpIjoiNjBjYzM3NmZiY2ZhNjkzOGEyNzAifQ.ve1Pms1ib9_F0WBN_kbzgaTHtA0A9pFBJYN5WG8p4tGjfvM8AxvB4kqA0ThQsAK7E_2uzaGY75gUc8C7B_VQ1IT9JlUqitHsbskIFNklycQD_xhu0Xnl0APs0B9rivrdK0u9NhCY9QMxRRevblesKCCs67ny75ovUQNUvI9VyZ0S0lCctdh6DuGjpWSN3Ph3GvB9IBzM9ea8X5p9IcWK49j4x332UMk9ikxntLmgEN4alWq7jeOesJTfMESNGYcf_0H8YMAGWuKi9i8Ea-P-hW-Nnm1PehnPKE23qDJ-Als9zXz1HMaC9LtsTPagO1sfokvxeEKFNR6a9jJSlxi5hg (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: c6baaab394d7e71a0b79 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)