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.eyJ0b29sX2lkIjoyNTc4LCJzdGF0ZV9ub25jZSI6ImQ3NjQ4NTg4NTJkNzE2OTI0YzQzIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNTc4In0sImlzcyI6InRlc3RfcnVieV9yaV90b29sIiwic3ViIjoidGVzdF9ydWJ5X3JpIiwiYXVkIjoiaHR0cHM6Ly9sZWFmZGV2MDYudWNoaWRhLmNvLmpwL3BsYXRmb3Jtcy8xL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzA0NzQ0MjgsImV4cCI6MTc3MDQ3NDcyOCwianRpIjoiYWM4Y2JmNDU3Yjg0MjU5MjY2YWUifQ.Wod92wqfp-1AQChrB5OGriRUK6cRkJfuShOudq6hF_b0MArMQHyxyFhabA6xhgM6Mmwo03BAfotvkrLFUHaDlh8bkRgGitQ-cm0acKft2lkiIy-c01uvMCruozJ-DUT7YWjJi2PErOlvEiB3nSXZWPpmHnWQ1pcq5nD9DRgQd0cqmYFL_V8q61iVHedwBHh507ekisNGHC3tbCPxCgI1sbDddL3ZmuDr8oWX2bCnNiUY8wKjj952_UTavwwPqG9e1CiFIxhrDL0xpH2Ip_QGMnf17VLNcwPHch18zgkskFXvXrplAxV8fpR_LrrPxr5jfCF1y4UAG_954VePAFaBFQ (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: d764858852d716924c43 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)