new LessEquals(filterAttribute, filterValue)
This is a filter class that tests whether the value of a specified feature
 attribute is less than or equal to the filtering value.
Parameters:
| Name | Type | Description | 
|---|---|---|
filterAttribute | 
            
            String | The name of the feature attribute to test  | 
        
filterValue | 
            
            String | The filtering value  | 
        
Returns:
An instance of OM.filter.LessEquals
- Type
 - OM.filter.LessEquals