RMS publishes messages about user-defined attributes (UDAs) to the RIB. UDAs provide a method for defining attributes and associating the attributes with specific items. UDA’s are useful for information and reporting purposes.
| 
   Message Type  | 
  
   XSD  | 
 
| 
   UDAHdrCre  | 
  |
| 
   UDAHdrMod  | 
  |
| 
   UDAHdrDel  | 
  |
| 
   UDAValCre  | 
  |
| 
   UDAValMod  | 
  |
| 
   UDAValDel  |