The SC_RPC_NOTIFY_PARAMS_LIST structure<7> defines an array of service state change parameters.

 typedef struct _SC_RPC_NOTIFY_PARAMS_LIST {
   BOUNDED_DWORD_4K cElements;
   [size_is(cElements)] SC_RPC_NOTIFY_PARAMS NotifyParamsArray[*];
 } SC_RPC_NOTIFY_PARAMS_LIST,
  *PSC_RPC_NOTIFY_PARAMS_LIST;

cElements: The number of elements in the array.

NotifyParamsArray: An array of SC_RPC_NOTIFY_PARAMS (section 2.2.23) structures.