Shows whether a function that is relevant to safety is generated when placing and replacing a symbol. The visibility of the property depends on the type of symbol. The following values are possible:

0 = Not defined (the property is not observed when placing and replacing the symbol).

1 = Yes (a function that is relevant to safety is created for this symbol when placing and replacing the symbol).

2 = No (a function that is not relevant to safety is created for this symbol when placing and replacing the symbol).

Reference

MDSymbolPropertyList Class
MDSymbolPropertyList Members