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.eyJ0b29sX2lkIjo0MjU5LCJzdGF0ZV9ub25jZSI6ImE2NDZhOWU1YjFjYWM3Yjg4NDY5IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0MjU5In0sImlzcyI6IlRlc3QgdG9vbCIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cHM6Ly9sdGktbmV4dC52ZXJjZWwuYXBwL2FwaS9vYXV0aCIsImlhdCI6MTc4MjQ1MzEwOSwiZXhwIjoxNzgyNDUzNDA5LCJqdGkiOiJkYmIxZDBlMzg4N2E5ZThhN2YwZCJ9.DZ4NGrDrsy6rJdln6tur5ErzFYSaFfPFxVrgOF8ViEWBE4OtzXBcU93ASUc9zZi6fyRZ3245xPnaYLqJCklNhyvxxRCbljbxfQw6h2KoVDxjQ7zBH7X85KQNegMY-EiT7DuYZO0LFbi14GPBZLkOEhRJBGxwui-wdCWw-6f1N6igGECGpjyRMdEzpqa0qCW653oUqs8kHw963qdw4ahgrzCQL8aecxDc3zk5TAbuINoD3Nwm5jB2SMO_P5Wx-F4FW_A0Kvnb5WaUZByjdgmLyczjfkkyuonlqESwYqjgKNnT9vVTmrS0rgBvT4tBymx2HD7KWRbaokgd6DZPGg5lgQ (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: a646a9e5b1cac7b88469 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)