Function available in CINEMA 4D Studio  
 Hair Selection Operator Basic Node ParameterNode Properties
 Mode
Use this setting to define which index number of the elements within the (Hair) Selection tag should be output:
-  As Selection: As saved within the Tag: Guide selections as guide index numbers, all others as point index numbers.
 
-  Points: The point index numbers.
 
-  Guides: The guide index numbers.