Occurs when an entity attribute value generator of type “custom” needs to generate its value.
property OnGetGeneratorValue: TGetGeneratorValueEvent;
Write the event handler to implement the algorithm of generating the next value of an entity attribute for which the "custom" generator is defined.
Specifies the corresponding meta-attribute.
Specifies the variable in which the next value has to be returned.
Should be set to True if the value has been generated successfully.