diff --git a/cwFlowCross.cpp b/cwFlowCross.cpp
index e11bfa5..7f29c1f 100644
--- a/cwFlowCross.cpp
+++ b/cwFlowCross.cpp
@@ -9,6 +9,7 @@
 #include "cwMtx.h"
 #include "cwDspTypes.h" // real_t, sample_t
 #include "cwDspTransforms.h"
+#include "cwFlowDecl.h"
 #include "cwFlow.h"
 #include "cwFlowTypes.h"
 #include "cwFlowProc.h"
@@ -425,6 +426,18 @@ cw::rc_t cw::flow_cross::apply_preset( handle_t h, destId_t destId, const char*
   return rc;  
 }
 
+cw::rc_t cw::flow_cross::apply_preset( handle_t h, destId_t destId, const flow::multi_preset_selector_t& multi_preset_sel )
+{
+  rc_t          rc       = kOkRC;
+  flow_cross_t* p        = _handleToPtr(h);
+  unsigned      flow_idx = _get_flow_index(p, destId );
+      
+  if((rc = flow::apply_preset( p->netA[flow_idx].flowH, multi_preset_sel )) != kOkRC )
+    rc = cwLogError(rc,"Muti-preset application failed.");
+
+  return rc;  
+}
+
 cw::rc_t cw::flow_cross::set_variable_value( handle_t h, destId_t destId, const char* inst_label, const char* var_label, unsigned chIdx, bool value )
 {  return _set_variable_value(h,destId,inst_label,var_label,chIdx,value); }
 
diff --git a/cwFlowCross.h b/cwFlowCross.h
index dc501bc..a9a24a4 100644
--- a/cwFlowCross.h
+++ b/cwFlowCross.h
@@ -29,6 +29,7 @@ namespace cw
     rc_t exec_cycle( handle_t h );
     
     rc_t apply_preset( handle_t h, destId_t destId, const char* presetLabel );
+    rc_t apply_preset( handle_t h, destId_t destId, const flow::multi_preset_selector_t& multi_preset_sel );
 
     rc_t set_variable_value( handle_t h, destId_t destId, const char* inst_label, const char* var_label, unsigned chIdx, bool value );
     rc_t set_variable_value( handle_t h, destId_t destId, const char* inst_label, const char* var_label, unsigned chIdx, int value );
diff --git a/cwIoFlow.cpp b/cwIoFlow.cpp
index 878e09b..d036e6d 100644
--- a/cwIoFlow.cpp
+++ b/cwIoFlow.cpp
@@ -10,6 +10,7 @@
 #include "cwMtx.h"
 
 #include "cwDspTypes.h"
+#include "cwFlowDecl.h"
 #include "cwFlow.h"
 #include "cwFlowTypes.h"
 #include "cwFlowCross.h"
@@ -419,6 +420,9 @@ cw::rc_t cw::io_flow::apply_preset( handle_t h, unsigned crossFadeMs, const char
 cw::rc_t cw::io_flow::apply_preset( handle_t h, flow_cross::destId_t destId, const char* presetLabel )
 { return apply_preset( _handleToPtr(h)->crossFlowH, destId, presetLabel ); }
 
+cw::rc_t cw::io_flow::apply_preset( handle_t h, flow_cross::destId_t destId, const flow::multi_preset_selector_t& multi_preset_sel )
+{ return apply_preset( _handleToPtr(h)->crossFlowH, destId, multi_preset_sel ); }
+
 cw::rc_t cw::io_flow::set_variable_value( handle_t h, flow_cross::destId_t destId, const char* inst_label, const char* var_label, unsigned chIdx, bool value )
 { return flow_cross::set_variable_value( _handleToPtr(h)->crossFlowH, destId, inst_label, var_label, chIdx, value ); }
 
diff --git a/cwIoFlow.h b/cwIoFlow.h
index a5266bf..e652fbf 100644
--- a/cwIoFlow.h
+++ b/cwIoFlow.h
@@ -21,6 +21,8 @@ namespace cw
     // activate the next network.
     rc_t apply_preset( handle_t h, flow_cross::destId_t destId, const char* presetLabel );
 
+    rc_t apply_preset( handle_t h, flow_cross::destId_t destId, const flow::multi_preset_selector_t& multi_preset_sel );
+
     rc_t set_variable_value( handle_t h, flow_cross::destId_t destId, const char* inst_label, const char* var_label, unsigned chIdx, bool value );
     rc_t set_variable_value( handle_t h, flow_cross::destId_t destId, const char* inst_label, const char* var_label, unsigned chIdx, int value );
     rc_t set_variable_value( handle_t h, flow_cross::destId_t destId, const char* inst_label, const char* var_label, unsigned chIdx, unsigned value );