@Override
    public String getValue(ReferenceAddressPair rowObject, Settings settings, 
	        Program program, ServiceProvider serviceProvider) throws IllegalArgumentException {

		Symbol s = getSymbol( rowObject, program );
		if (s != null) {
			return s.getName(true);
		}
		return null;
	}
This table field displays the primary symbol at the FromAddress
for the reference or possible reference address pair
associated with a row in the table.
Ghidra/Features/Base/src/main/java/ghidra/util/table/field/ReferenceFromLabelTableColumn.java