Get the type of the attribute, for example Construction or 
PCBComponent. The method returns a string.
 
    where <atag> is the tag of the attribute, for example 
imp1.component.
 
    Get the tag/name of the attribute, for example construction, 
imp1.component. The method returns a string.
 
    Get the (localized) label of the attribute, for example Construction geometry or 
PCB component. The method returns a string.
 
    Get the whole objects that have the given attribute value <value> in the current state of the geometry sequence. The method returns a string array.
 
    Get the objects that have some entity in dimension <dim> that have the given attribute value
<value> in the current state of the geometry sequence. The method returns a string array.
 
    Get the entities in dimension <dim> in the object 
<oname> that have the given attribute value 
<value> in the current state of the geometry sequence. The method returns an integer array.
 
    For the finalized geometry: Get the entities in dimension <dim> that have the given attribute value 
<value>. The method returns an integer array.