Index: firmware/App/Modes/ModePreTreat.h
===================================================================
diff -u -r9cc543b1c2508280767573e20eddd94e68be1fb5 -r21a1f9847f1ccf22ec8b906bcdadea47ec7b5dc9
--- firmware/App/Modes/ModePreTreat.h	(.../ModePreTreat.h)	(revision 9cc543b1c2508280767573e20eddd94e68be1fb5)
+++ firmware/App/Modes/ModePreTreat.h	(.../ModePreTreat.h)	(revision 21a1f9847f1ccf22ec8b906bcdadea47ec7b5dc9)
@@ -37,6 +37,7 @@
 U32  execPreTreatmentMode( void );                                  // Execute the pre-treatment mode state machine (call from OperationModes)
 void signalAlarmActionToPreTreatmentMode( ALARM_ACTION_T action );  // Execute alarm action as appropriate for pre-treatment mode
 
+TD_PRE_TREATMENT_MODE_STATE_T getPreTreatmentSubState( void );      // Get the current pre-treatment sub mode.
 void PreTxRequestTubeSetInstall( void );                            // Request Pre-Treatment mode to transition to Install state.
 
 /**@}*/