Controls whether upload is enabled (TRUE) or disabled (FALSE).
Property Type: Static
Default Value: True
Ensure the property is a static property (It will display the gray orb alongside the property name).
The default value of the static property can be changed by:
A rule can also be built for this property by changing the type to dynamic.
See How To: Change A Static Property To A Dynamic Property.
Value set in Form Designer. Static properties can be made Dynamic by double clicking the gray radio button.