| diagram |  | 
				
					| namespace | http://www.opengis.net/gml | 
				
					| type | gml:CodeOrNullListType | 
				
					| properties |  | 
				
					| used by |  | 
				
					| attributes | | Name | Type | Use | Default | Fixed | annotation |  | codeSpace | xs:anyURI | optional |  |  |  | 
 | 
				
					| annotation | | documentation |  | A space-separated list of terms or nulls.  A single XML attribute codeSpace may be provided, which authorises all the terms in the list. | 
 | 
				
					| source | <xs:element name="CategoryList" type="gml:CodeOrNullListType"> <xs:annotation>
 <xs:documentation>A space-separated list of terms or nulls.  A single XML attribute codeSpace may be provided, which authorises all the terms in the list.</xs:documentation>
 </xs:annotation>
 </xs:element>
 |