ROR LIST REGISTRY USERS (1774)    REMOTE PROCEDURE (8994)

The ROR GET REGISTRY USERS remote procedure returns the list of registry 
users (VistA users who have the appropriate security keys).

• REGIEN
  PARAMETER TYPE:   LITERAL
  REQUIRED:   YES
  SEQUENCE NUMBER:   1
  DESCRIPTION:   

  The REGIEN parameter should contain a valid registry IEN (IEN of the
  registry parameters record in the ROR REGISTRY PARAMETERS file #798.1).
  

A negative value of the first "^"-piece of the Results[0] indicates that
  Results[i]            Error Descriptor
                          ^01: Error code
                          ^02: Message
                          ^03: Place of the error
 
Otherwise, the number of users is returned in the Results[0] and the
subsequent nodes of the Results array contain the user descriptors:
 
  Results[0]            Number of Users
 
an error occurred during the execution of the remote procedure. In this
  Results[i]            User Descriptor
                          ^01: User IEN (DUZ)
                          ^02: User Name
                          ^03: User          (0/1)
                          ^04: Administrator (0/1)
                          ^05: IRM           (0/1)
case, the second piece of the Results[0] will contain number of the error
descriptors returned in the subsequent nodes of the Results array:
   
  Results[0]            Result Descriptor
                          ^01: The last error code
                          ^02: Number of the error descriptors