<fields>
<part name="name"> 
	<field_name editor="text" title="title">
		<editor type="type" name='name_fieldname' title="" />
		<field type="type" name="name_fieldname" title="" /> 
	</main_heading>  
 
	<field_name editor="field" title="Title" /> 
	
</part>
</fields>
