The WmTransformationServices package, which is available on Advantage, contains many object conversion services including one for IntegerToString. Pretty sure you could map the output of the PSUtils sample getHashtableValue service into the input of the IntegerToString or perhaps just map directly from the object into another object that has its props set to constrain it to Integer.
The approach depends on what you want to do with the Integer value after getting it from the hashtable.
Mark
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