PML Customisation
User Guide
Copies and References (for Advanced Users) : Function Arguments : Constants as Function Arguments
Passing a constant as a function argument, such as a STRING in quotes, means the argument is read only and cannot be assigned a new value. So if you define a function
However, the following will result in a PML error message because the value passed to the function as an argument is a CONSTANT STRING value which cannot be modified.
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!!ChangeString ( 'OldValue' )
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