diff --git a/indra/llui/llfloaterreglistener.cpp b/indra/llui/llfloaterreglistener.cpp
index 37708a7cd9db2c9483fde276f2220738c83e4bba..cb8fa6dfdaefafb72044813c1b796d5ec2d6250a 100644
--- a/indra/llui/llfloaterreglistener.cpp
+++ b/indra/llui/llfloaterreglistener.cpp
@@ -27,6 +27,7 @@ LLFloaterRegListener::LLFloaterRegListener(const std::string& pumpName):
     requiredName["name"] = LLSD();
     add("showInstance", &LLFloaterRegListener::showInstance, requiredName);
     add("hideInstance", &LLFloaterRegListener::hideInstance, requiredName);
+    add("toggleInstance", &LLFloaterRegListener::toggleInstance, requiredName);
 }
 
 void LLFloaterRegListener::getBuildMap(const LLSD& event) const
@@ -58,3 +59,8 @@ void LLFloaterRegListener::hideInstance(const LLSD& event) const
 {
     LLFloaterReg::hideInstance(event["name"], event["key"]);
 }
+
+void LLFloaterRegListener::toggleInstance(const LLSD& event) const
+{
+    LLFloaterReg::toggleInstance(event["name"], event["key"]);
+}
diff --git a/indra/llui/llfloaterreglistener.h b/indra/llui/llfloaterreglistener.h
index 049389c0940f986b5c277bfdee6375a9f1142d02..58d2c0793658ffa7e81d65f2c3e0c906b5a4e291 100644
--- a/indra/llui/llfloaterreglistener.h
+++ b/indra/llui/llfloaterreglistener.h
@@ -29,6 +29,7 @@ class LLFloaterRegListener: public LLDispatchListener
     void getBuildMap(const LLSD& event) const;
     void showInstance(const LLSD& event) const;
     void hideInstance(const LLSD& event) const;
+    void toggleInstance(const LLSD& event) const;
 };
 
 #endif /* ! defined(LL_LLFLOATERREGLISTENER_H) */