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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4259/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Im9BWFF4cXZpU09DS0xWelFvUW9FT0RQbHk5MmQtbGJNQ0xpelZkc0s4bEUiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0MjU5LCJzdGF0ZV9ub25jZSI6IjIxZTVhYzc4YTEzZTdmZDQ4OGFmIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0MjU5In0sImlzcyI6IlRlc3QgdG9vbCIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cHM6Ly9sdGktbmV4dC52ZXJjZWwuYXBwL2FwaS9vYXV0aCIsImlhdCI6MTc4NzgxODAxOCwiZXhwIjoxNzg3ODE4MzE4LCJqdGkiOiIzYWI3YmI4Mzc1ZGFjN2FjNGQwZSJ9.YM_dHbYaW9DXmTUC4CPWhEdNAvMRhTXx8mpMmRYzJlhUSqYmb_DExpRvMbZ5aYMDHLF9DcMXv5rtfT1DsMaYU2z2UETdE-6wfF4PtIChd_kp08dBbpS5t7Ah5TP51_OeKrB5P1eUXvukIFerxcjVsHaeKKjmvAzHxikGIqTCIlBkVbvDNdl0l_WRD4WJzubeJ-M4diRlHe-jSIHpht21ZAGbgHbcCUSWy57umTHRC9xlwwebgVwJMLYNBGRwjcDLZg8OGxeJf1Z9v8LNe6xxK4OrRnYfR229FAYGpwdVXoszVRwDqmpILcCfwk5BuUHhgBMjAFnNn6RQIBw5ynrFxg (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: 21e5ac78a13e7fd488af (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)