json_schema: {
      "properties": {
          "PayloadDescription": {
              "default": "Universal Access Settings",
              "description": "Description of the payload",
              "type": "string"
          },
          "PayloadDisplayName": {
              "default": "Universal Access Settings",
              "description": "Name of the payload",
              "type": "string"
          },
          "PayloadIdentifier": {
              "default": "com.apple.universalaccess",
              "description": "A unique identifier for the payload, dot-delimited.  Usually root PayloadIdentifier+subidentifier",
              "type": "string"
          },
          "PayloadOrganization": {
              "description": "This value describes the issuing organization of the profile, as displayed to the user",
              "type": "string"
          },
          "PayloadType": {
              "default": "com.apple.universalaccess",
              "description": "The type of the payload, a reverse dns string",
              "type": "string"
          },
          "PayloadUUID": {
              "default": "",
              "description": "Unique identifier for the payload (format 01234567-89AB-CDEF-0123-456789ABCDEF)",
              "pattern": "^[0-9A-Za-z]{8}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{12}$",
              "type": "string"
          },
          "PayloadVersion": {
              "default": 1,
              "description": "The version of the whole configuration profile.",
              "type": "number"
          },
          "closeViewHotkeysEnabled": {
              "description": "",
              "type": "boolean"
          },
          "closeViewScrollWheelToggle": {
              "description": "",
              "type": "boolean"
          },
          "flashScreen": {
              "description": "Flash the screen when an alert sound occurs",
              "type": "boolean"
          },
          "grayscale": {
              "description": "Use Grayscale",
              "type": "boolean"
          },
          "mouseDriver": {
              "description": "Mouse Keys allows the mouse pointer to be controlled using the keyboard number pad.",
              "type": "boolean"
          },
          "mouseDriverCursorSize": {
              "description": "Mouse Cursor Size. 1 is normal, 4 is maximum.",
              "type": "number"
          },
          "slowKey": {
              "description": "Slow keys adjusts the amount of time between when a key is pressed and when it is activated",
              "type": "boolean"
          },
          "stickyKey": {
              "description": "Sticky keys allows modifier keys to be set without having to hold the key down.",
              "type": "boolean"
          },
          "voiceOverOnOffKey": {
              "description": "VoiceOver provides spoken and brailled descriptions of items on the computer screen and provides\n                control of the computer through the user of the keyboard.",
              "type": "boolean"
          },
          "whiteOnBlack": {
              "description": "Invert colors",
              "type": "boolean"
          }
      },
      "title": "com.apple.universalaccess",
      "type": "object"
  }