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 c237cb9d..ebd1580b 100644
--- a/src/api/burn/WixToolset.Mba.Core/IDefaultBootstrapperApplication.cs
+++ b/src/api/burn/WixToolset.Mba.Core/IDefaultBootstrapperApplication.cs
@@ -334,6 +334,11 @@ namespace WixToolset.Mba.Core
         event EventHandler<PlanRelatedBundleEventArgs> PlanRelatedBundle;
 
         /// <summary>
+        /// Fired when the engine has begun planning the related bundle relation type.
+        /// </summary>
+        event EventHandler<PlanRelatedBundleTypeEventArgs> PlanRelatedBundleType;
+
+        /// <summary>
         /// Fired when the engine has begun planning an upgrade related bundle for restoring in case of failure.
         /// </summary>
         event EventHandler<PlanRestoreRelatedBundleEventArgs> PlanRestoreRelatedBundle;