Adds a new attribute whose value is the number of holes in the feature. If the feature is not a polygonal feature, 0 will be returned.
Input Ports
Input
Polygonal features enter through this port.
Output Ports
Output
Features with the calculated number of holes leave through this port.
Parameters
Hole Count Attribute
The name of the attribute that will record the number of holes in the feature.
Technical History
Associated FME function or factory: @NumHoles
Editing Transformer Parameters
Using a set of menu options, transformer parameters can be assigned by referencing other elements in the workspace. More advanced functions, such as an advanced editor and an arithmetic editor, are also available in some transformers. To access a menu of these options, click 
beside the applicable parameter. For more information, see Transformer Parameter Menu Options.
Transformer Categories
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