Server relay button properties
| BackgroundColor | Represents the background color, which is used to paint the area behind the button text. |
| Enabled | Represents whether a button is enabled. |
| ForegroundColor | Represents the foreground color for buttons. |
| IncludedFields | Represents the fields that are sent to a server by a server relay button. |
| Label | Represents the label of the button. |
| Reference | Returns a reference to the server relay button. |
| Visible | Represents whether a button is visible. |