Field.richTextHeight
| 
                   Property Description  | 
                
                   The height of a rich text field, in pixels. The minimum value is 100 pixels and the maximum value is 500 pixels. 
                    Note: 
                     
                Rich Text Editing must be enabled.  | 
              
| 
                   Type  | 
                
                   number  | 
              
| 
                   Supported Script Types  | 
                
                   Suitelets User event scripts - beforeLoad entry point For more information, see SuiteScript 2.x Script Types.  | 
              
| 
                   Module  | 
                |
| 
                   Since  | 
                
                   2015.2  | 
              
Syntax
          Important: 
          
        The following code sample shows the syntax for this member. It is not a functional example. For a complete script example, see N/ui/serverWidget Module Script Samples.
          //Add additional code 
...
var form = serverWidget.createForm({
    title : 'Simple Form'
});
var field = form.addField({
    id : 'custpage_textfield',
    type : serverWidget.FieldType.RICHTEXT,
    label : 'Rich Text'
});
field.richTextHeight = 50;
...
//Add additional code