1 files changed, 22 insertions, 0 deletions

diff --git a/src/WixToolset.Extensibility/Services/IWixtoolsetCoreServiceProvider.cs b/src/WixToolset.Extensibility/Services/IWixtoolsetCoreServiceProvider.cs
index cda725f7..3c80ddef 100644
--- a/src/WixToolset.Extensibility/Services/IWixtoolsetCoreServiceProvider.cs
+++ b/src/WixToolset.Extensibility/Services/IWixtoolsetCoreServiceProvider.cs
@@ -5,9 +5,31 @@ namespace WixToolset.Extensibility.Services
     using System;
     using System.Collections.Generic;
 
+    /// <summary>
+    /// The core of the service provider used to add services to the service provider.
+    /// </summary>
     public interface IWixToolsetCoreServiceProvider : IWixToolsetServiceProvider
     {
+        /// <summary>
+        /// Adds a service to the service locator.
+        /// </summary>
+        /// <param name="serviceType">Type of the service to add.</param>
+        /// <param name="creationFunction">
+        /// A function that creates the service. The create function is provided the service provider
+        /// itself to resolve additional services and a type dictionary that stores singleton services
+        /// the creation function can add its service to.
+        /// </param>
         void AddService(Type serviceType, Func<IWixToolsetCoreServiceProvider, Dictionary<Type, object>, object> creationFunction);
+
+        /// <summary>
+        /// Adds a service to the service locator.
+        /// </summary>
+        /// <param name="serviceType">Type of the service to add.</param>
+        /// <param name="creationFunction">
+        /// A function that creates the service. The create function is provided the service provider
+        /// itself to resolve additional services and a type dictionary that stores singleton services
+        /// the creation function can add its service to.
+        /// </param>
         void AddService<T>(Func<IWixToolsetCoreServiceProvider, Dictionary<Type, object>, T> creationFunction) where T : class;
     }
 }