diff --git a/src/jquery.uls.core.js b/src/jquery.uls.core.js
index 36f30a5..4844f95 100644
--- a/src/jquery.uls.core.js
+++ b/src/jquery.uls.core.js
@@ -230,6 +230,7 @@
 			this.$languageFilter.languagefilter( {
 				lcd: lcd,
 				languages: this.languages,
+				ulsPurpose: this.options.ulsPurpose,
 				searchAPI: this.options.searchAPI,
 				onSelect: $.proxy( this.select, this )
 			} );
@@ -393,6 +394,10 @@
 		// The options are wide (4 columns), medium (2 columns), and narrow (1 column).
 		// If not specified, it will be set automatically.
 		menuWidth: undefined,
+		// What is this ULS used for.
+		// Should be set for distinguishing between different instances of ULS
+		// in the same application.
+		ulsPurpose: '',
 		// Used by LCD
 		quickList: [],
 		// Used by LCD
diff --git a/src/jquery.uls.languagefilter.js b/src/jquery.uls.languagefilter.js
index edaa0e7..e9732a7 100644
--- a/src/jquery.uls.languagefilter.js
+++ b/src/jquery.uls.languagefilter.js
@@ -233,7 +233,11 @@
 		resultHandler: function ( query, results, autofillLabel ) {
 			if ( results.length === 0 ) {
 				this.$suggestion.val( '' );
-				this.$element.trigger( 'noresults.uls', query );
+				this.$element.trigger(
+					'noresults.uls',
+					query,
+					this.options.ulsPurpose
+				);
 				return;
 			}
 
@@ -338,6 +342,10 @@
 		lcd: undefined,
 		// URL to which we append query parameter with the query value
 		searchAPI: undefined,
+		// What is this ULS used for.
+		// Should be set for distinguishing between different instances of ULS
+		// in the same application.
+		ulsPurpose: '',
 		// Object of language tags to language names
 		languages: [],
 		// Callback function when language is selected