diff --git a/dsp/cmDspKr.h b/dsp/cmDspKr.h
index b933342..09e46c9 100644
--- a/dsp/cmDspKr.h
+++ b/dsp/cmDspKr.h
@@ -11,6 +11,7 @@ extern "C" {
   struct cmDspClass_str* cmMidiFilePlayClassCons( cmDspCtx_t* ctx );
   struct cmDspClass_str* cmScFolClassCons( cmDspCtx_t* ctx );
   struct cmDspClass_str* cmScModClassCons( cmDspCtx_t* ctx );
+  struct cmDspClass_str* cmGSwitchClassCons( cmDspCtx_t* ctx );
 
 #ifdef __cplusplus
 }
diff --git a/dsp/cmDspPgm.c b/dsp/cmDspPgm.c
index f0d34d1..61aa51f 100644
--- a/dsp/cmDspPgm.c
+++ b/dsp/cmDspPgm.c
@@ -2366,6 +2366,7 @@ cmDspRC_t _cmDspSysPgm_AvailCh( cmDspSysH_t h, void** userPtrPtr )
 _cmDspSysPgm_t _cmDspSysPgmArray[] = 
 {
   { "time_line",     _cmDspSysPgm_TimeLine,     NULL, NULL },
+  { "switcher",      _cmDspSysPgm_Switcher,     NULL, NULL },
   { "main",          _cmDspSysPgm_Main,         NULL, NULL },
   { "array",         _cmDspSysPgm_Array,        NULL, NULL },
   { "line",          _cmDspSysPgm_Line,         NULL, NULL },
diff --git a/dsp/cmDspPgmKr.h b/dsp/cmDspPgmKr.h
index 401e538..1d4904a 100644
--- a/dsp/cmDspPgmKr.h
+++ b/dsp/cmDspPgmKr.h
@@ -6,6 +6,7 @@ extern "C" {
 #endif
 
   cmDspRC_t _cmDspSysPgm_TimeLine( cmDspSysH_t h, void** userPtrPtr );
+  cmDspRC_t _cmDspSysPgm_Switcher( cmDspSysH_t h, void** userPtrPtr );
 
 #ifdef __cplusplus
   }