<function name="IsValidProp" parent="util" type="libraryfunc"> <description>Checks if the specified prop is valid.</description> <description>Checks if the specified prop is valid (has valid physics object).</description> <realm>Shared</realm> <args> <arg name="modelName" type="string">Name/Path of the model to check.</arg> </args> <rets> <ret name="" type="boolean">Returns true if the specified prop is valid; otherwise false.</ret> </rets> </function>