diff --git a/tether-shepherd/tether-shepherd-tests.ts b/tether-shepherd/tether-shepherd-tests.ts
index 7325a84647..085da575b9 100644
--- a/tether-shepherd/tether-shepherd-tests.ts
+++ b/tether-shepherd/tether-shepherd-tests.ts
@@ -46,6 +46,9 @@ var step2Options: TetherShepherd.IShepherdTourStepOptions = {
         destroy: () => {
             console.log('Destroyed the Step 2');
         }
+    },
+    showOn: () => {
+        return true;
     }
 };
 
@@ -55,4 +58,4 @@ var queriedStep = tour.getById('test-step-2');
 
 queriedStep.destroy();
 
-tour.start();
\ No newline at end of file
+tour.start();
diff --git a/tether-shepherd/tether-shepherd.d.ts b/tether-shepherd/tether-shepherd.d.ts
index eeee871044..413d569ed7 100644
--- a/tether-shepherd/tether-shepherd.d.ts
+++ b/tether-shepherd/tether-shepherd.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for Tether-Shepherd v1.1.2
+// Type definitions for Tether-Shepherd v1.2.0
 // Project: http://github.hubspot.com/shepherd/
 // Definitions by: Matt Gibbs <https://github.com/mtgibbs>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
@@ -149,6 +149,7 @@ declare module TetherShepherd {
         showCancelLink?: boolean;
         scrollTo?: boolean;
         when?: any;
+        showOn?: () => boolean;
 
         // TODO: Tie this in with the tether.d.ts
         tetherOptions?: any;