4 files changed, 9 insertions, 7 deletions

diff --git a/src/api/burn/WixToolset.BootstrapperApplicationApi/Engine.cs b/src/api/burn/WixToolset.BootstrapperApplicationApi/Engine.cs
index 44d77359..52ac90c5 100644
--- a/src/api/burn/WixToolset.BootstrapperApplicationApi/Engine.cs
+++ b/src/api/burn/WixToolset.BootstrapperApplicationApi/Engine.cs
@@ -271,9 +271,9 @@ namespace WixToolset.BootstrapperApplicationApi
         }
 
         /// <inheritdoc/>
-        public void SetDownloadSource(string packageOrContainerId, string payloadId, string url, string user, string password)
+        public void SetDownloadSource(string packageOrContainerId, string payloadId, string url, string user, string password, string authorizationHeader)
         {
-            this.engine.SetDownloadSource(packageOrContainerId, payloadId, url, user, password);
+            this.engine.SetDownloadSource(packageOrContainerId, payloadId, url, user, password, authorizationHeader);
         }
 
         /// <inheritdoc/>
diff --git a/src/api/burn/WixToolset.BootstrapperApplicationApi/IBootstrapperEngine.cs b/src/api/burn/WixToolset.BootstrapperApplicationApi/IBootstrapperEngine.cs
index c7b0c003..172bafe8 100644
--- a/src/api/burn/WixToolset.BootstrapperApplicationApi/IBootstrapperEngine.cs
+++ b/src/api/burn/WixToolset.BootstrapperApplicationApi/IBootstrapperEngine.cs
@@ -129,14 +129,15 @@ namespace WixToolset.BootstrapperApplicationApi
             );
 
         /// <summary>
-        /// See <see cref="IEngine.SetDownloadSource(string, string, string, string, string)"/>.
+        /// See <see cref="IEngine.SetDownloadSource(string, string, string, string, string, string)"/>.
         /// </summary>
         void SetDownloadSource(
             [MarshalAs(UnmanagedType.LPWStr)] string wzPackageOrContainerId,
             [MarshalAs(UnmanagedType.LPWStr)] string wzPayloadId,
             [MarshalAs(UnmanagedType.LPWStr)] string wzUrl,
             [MarshalAs(UnmanagedType.LPWStr)] string wzUser,
-            [MarshalAs(UnmanagedType.LPWStr)] string wzPassword
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPassword,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzAuthorizationHeader
             );
 
         /// <summary>
diff --git a/src/api/burn/WixToolset.BootstrapperApplicationApi/IDefaultBootstrapperApplication.cs b/src/api/burn/WixToolset.BootstrapperApplicationApi/IDefaultBootstrapperApplication.cs
index ad51b2be..1ff12c28 100644
--- a/src/api/burn/WixToolset.BootstrapperApplicationApi/IDefaultBootstrapperApplication.cs
+++ b/src/api/burn/WixToolset.BootstrapperApplicationApi/IDefaultBootstrapperApplication.cs
@@ -37,14 +37,14 @@ namespace WixToolset.BootstrapperApplicationApi
         /// <summary>
         /// Fired when the engine has begun acquiring the payload or container.
         /// The BA can change the source using <see cref="IEngine.SetLocalSource(String, String, String)"/>
-        /// or <see cref="IEngine.SetDownloadSource(String, String, String, String, String)"/>.
+        /// or <see cref="IEngine.SetDownloadSource(String, String, String, String, String, String)"/>.
         /// </summary>
         event EventHandler<CacheAcquireBeginEventArgs> CacheAcquireBegin;
 
         /// <summary>
         /// Fired when the engine has completed the acquisition of the payload or container.
         /// The BA can change the source using <see cref="IEngine.SetLocalSource(String, String, String)"/>
-        /// or <see cref="IEngine.SetDownloadSource(String, String, String, String, String)"/>.
+        /// or <see cref="IEngine.SetDownloadSource(String, String, String, String, String, String)"/>.
         /// </summary>
         event EventHandler<CacheAcquireCompleteEventArgs> CacheAcquireComplete;
 
diff --git a/src/api/burn/WixToolset.BootstrapperApplicationApi/IEngine.cs b/src/api/burn/WixToolset.BootstrapperApplicationApi/IEngine.cs
index bd78409b..ca423309 100644
--- a/src/api/burn/WixToolset.BootstrapperApplicationApi/IEngine.cs
+++ b/src/api/burn/WixToolset.BootstrapperApplicationApi/IEngine.cs
@@ -174,7 +174,8 @@ namespace WixToolset.BootstrapperApplicationApi
         /// <param name="url">The new url.</param>
         /// <param name="user">The user name for proxy authentication.</param>
         /// <param name="password">The password for proxy authentication.</param>
-        void SetDownloadSource(string packageOrContainerId, string payloadId, string url, string user, string password);
+        /// <param name="authorizationHeader">Additional proxy authentication header. Not currently used.</param>
+        void SetDownloadSource(string packageOrContainerId, string payloadId, string url, string user, string password, string authorizationHeader);
 
         /// <summary>
         /// Sets numeric variables for the engine.