public FessMessages addConstraintsCronExpressionMessage(String property) {
        assertPropertyNotNull(property);
        add(property, new UserMessage(CONSTRAINTS_CronExpression_MESSAGE));
        return this;
    }
public FessMessages addConstraintsCronExpressionMessage ( String property ) { assertPropertyNotNull ( property ) ; add ( property , new UserMessage ( CONSTRAINTS_CronExpression_MESSAGE ) ) ; return this ; }
Add the created action message for the key 'constraints.CronExpression.message' with parameters.
<pre>
message: {item} is invalid cron expression.
</pre>
@param property The property name for the message. (NotNull)
@return this. (NotNull)