Mgr.UseData is that variables of non scalar [...] or arrays) maybe expanded [...] name of the variable

Variable [...] .g. for array access VIF [...] address like %IX0.0 VIF_SPLIT_HUGE_VARIABLES

MappingDesc_ArrayArbitrary.FindChild (METH) ¶ METHOD Find [...] Info REFERENCE TO SymbolicVarsBase.Variable

for the symbolic IEC variable [...] ) ArrayDimension (Struct) Array

Add_Tab_Len WORD length of ADD [...] awEA_Offset ARRAY

ARRAY[0..79) OF BYTE [...] allocated memory udiLength UDINT Length

_ID.IDENTITY_ITEM, uiLength := 4) ui [...] SerialNumber UDINT usiProductNameLength [...] ProductName ARRAY [0..31] OF BYTE

to expand variables [...] or arrays) automatically

array or one item of the array of ‘dynamic [...] of the array of the address

The input variable poq [...] of input variable b [...] variable b