This method returns the number of category maps that belong to a specified taxonomy contained in a value of type DM_LogicalDataSpec.
Method syntax
>>-logData..DM_getNumTaxMap--(--taxName--)---------------------><
Function syntax
>>-DM_getNumTaxMap--(--logData--,--taxName--)------------------><
The return value is of type INTEGER
IDM1217E: The taxonomy "Variable1" is not defined.