1 files changed, 5 insertions, 0 deletions

diff --git a/src/api/burn/WixToolset.Mba.Core/IDefaultBootstrapperApplication.cs b/src/api/burn/WixToolset.Mba.Core/IDefaultBootstrapperApplication.cs
index a295f6c0..20ce9f88 100644
--- a/src/api/burn/WixToolset.Mba.Core/IDefaultBootstrapperApplication.cs
+++ b/src/api/burn/WixToolset.Mba.Core/IDefaultBootstrapperApplication.cs
@@ -314,6 +314,11 @@ namespace WixToolset.Mba.Core
         event EventHandler<PlanRelatedBundleEventArgs> PlanRelatedBundle;
 
         /// <summary>
+        /// Fired when the engine is planning a rollback boundary.
+        /// </summary>
+        event EventHandler<PlanRollbackBoundaryEventArgs> PlanRollbackBoundary;
+
+        /// <summary>
         /// Fired when the engine has changed progress for the bundle installation.
         /// </summary>
         event EventHandler<ProgressEventArgs> Progress;