Build and return display footer text
s = getFooter(obj)
Override this method to create a custom footer. The overriding
implementation must support all states of the object, including scalar,
nonscalar, empty, and deleted (if
obj is an instance
of a handle class).
Object array of a class derived from
Footer text, returned as a string.
The default implementation returns an empty string
To learn about attributes of methods, see Method Attributes in the MATLAB® Object-Oriented Programming documentation.