XUS KEY CHECK (110)    REMOTE PROCEDURE (8994)

RPC ICR #6286 - API ICR #3277
This RPC will check if the user (DUZ) holds a security key or an array of
keys. If a single security KEY is sent the result is returned in R(0). If
an array is sent down then the return array has the same order as the
calling array.

• KEY
  PARAMETER TYPE:   LIST
  MAXIMUM DATA LENGTH:   30
  REQUIRED:   YES
  SEQUENCE NUMBER:   1
  DESCRIPTION:   

  If key is a single value it holds the one key to check.
  If key is an array then the result is an array that matches the key
  list with values that match the status of the key check for each key.
  The return is a 1 if the user has the key and 0 if not.
  

• IEN
  PARAMETER TYPE:   LITERAL
  MAXIMUM DATA LENGTH:   30
  REQUIRED:   NO
  SEQUENCE NUMBER:   2
  DESCRIPTION:   

  (Optional) If provided, this is the IEN of the user in the NEW PERSON 
  file (#200) to check if they hold the key(s) listed in KEY. If not 
  provided, this parameter defaults to the DUZ (IEN) of the current user.