diff --git a/indra/llcommon/lleventdispatcher.h b/indra/llcommon/lleventdispatcher.h
index c8c4fe0c3ca38935be3e6ebd8ad44889602f420e..1e625bcee8b47d60cc1c6f1050289e4b470e3b23 100644
--- a/indra/llcommon/lleventdispatcher.h
+++ b/indra/llcommon/lleventdispatcher.h
@@ -139,6 +139,9 @@ class LL_COMMON_API LLEventDispatcher
     /// Get information about a specific Callable
     LLSD getMetadata(const std::string& name) const;
 
+    /// Retrieve the LLSD key we use for one-arg <tt>operator()</tt> method
+    std::string getDispatchKey() const { return mKey; }
+
 private:
     template <class CLASS, typename METHOD>
     void addMethod(const std::string& name, const std::string& desc,