diff --git a/docs/PowerLogic-PM8000/PM8000_Modbus_Map.h b/docs/PowerLogic-PM8000/PM8000_Modbus_Map.h
index 12e7fb0..848ff60 100644
--- a/docs/PowerLogic-PM8000/PM8000_Modbus_Map.h
+++ b/docs/PowerLogic-PM8000/PM8000_Modbus_Map.h
@@ -8,6 +8,12 @@ typedef struct
 
 } pm8000_reg_map_t;
 
+pm8000_reg_map_t nextRegister(uint16_t currentRegister)
+{
+ 
+    return 0;
+}
+
 pm8000_reg_map_t pm8000_reg_map[] = {
         { 30, 20,  "UTF8",  "Meter Name" },
     { 50, 20,  "UTF8",  "Meter Model" },