Required. User-defined name of the command-handling service for the PowerExchange process to which you want to send pwxcmd commands. Use this service name when issuing pwxcmd commands to this PowerExchange process. For connection to a PowerExchange log-based ECCR or Datacom table-based ECCR on z/OS, this value is the ECCR name. Ensure that this value matches the ECCR name specified in the corresponding SVCNODE statement.