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 c9284b69..21d99b32 100644
--- a/src/api/burn/WixToolset.Mba.Core/IDefaultBootstrapperApplication.cs
+++ b/src/api/burn/WixToolset.Mba.Core/IDefaultBootstrapperApplication.cs
@@ -244,6 +244,11 @@ namespace WixToolset.Mba.Core
         event EventHandler<ExecutePackageCompleteEventArgs> ExecutePackageComplete;
 
         /// <summary>
+        /// Fired when a package that spawned a process is cancelled.
+        /// </summary>
+        event EventHandler<ExecuteProcessCancelEventArgs> ExecuteProcessCancel;
+
+        /// <summary>
         /// Fired when the engine executes one or more patches targeting a product.
         /// </summary>
         event EventHandler<ExecutePatchTargetEventArgs> ExecutePatchTarget;