diff --git a/source/src/Slackbot.Net.Endpoints/Abstractions/IHandleEmojiChanged.cs b/source/src/Slackbot.Net.Endpoints/Abstractions/IHandleEmojiChanged.cs
index 2f010f7..cb03a62 100644
--- a/source/src/Slackbot.Net.Endpoints/Abstractions/IHandleEmojiChanged.cs
+++ b/source/src/Slackbot.Net.Endpoints/Abstractions/IHandleEmojiChanged.cs
@@ -4,5 +4,5 @@ namespace Slackbot.Net.Endpoints.Abstractions;
 
 public interface IHandleEmojiChanged
 {
-    Task<EventHandledResponse> Handle(EventMetaData eventMetadata, EmojiChangedEvent memberjoined);
+    Task<EventHandledResponse> Handle(EventMetaData eventMetadata, EmojiChangedEvent emojiChanged);
 }
diff --git a/source/src/Slackbot.Net.Endpoints/Abstractions/IHandleTeamJoin.cs b/source/src/Slackbot.Net.Endpoints/Abstractions/IHandleTeamJoin.cs
index db6e1bb..1e1ab97 100644
--- a/source/src/Slackbot.Net.Endpoints/Abstractions/IHandleTeamJoin.cs
+++ b/source/src/Slackbot.Net.Endpoints/Abstractions/IHandleTeamJoin.cs
@@ -4,5 +4,5 @@ namespace Slackbot.Net.Endpoints.Abstractions;
 
 public interface IHandleTeamJoin
 {
-    Task<EventHandledResponse> Handle(EventMetaData eventMetadata, TeamJoinEvent memberjoined);
+    Task<EventHandledResponse> Handle(EventMetaData eventMetadata, TeamJoinEvent teamJoined);
 }
diff --git a/source/src/Slackbot.Net.Endpoints/Hosting/ISlackbotHandlersBuilder.cs b/source/src/Slackbot.Net.Endpoints/Hosting/ISlackbotHandlersBuilder.cs
index 0007357..bf09799 100644
--- a/source/src/Slackbot.Net.Endpoints/Hosting/ISlackbotHandlersBuilder.cs
+++ b/source/src/Slackbot.Net.Endpoints/Hosting/ISlackbotHandlersBuilder.cs
@@ -17,4 +17,5 @@ public ISlackbotHandlersBuilder AddInteractiveBlockActionsHandler<T>()
 
     public ISlackbotHandlersBuilder AddMessageActionsHandler<T>() where T : class, IHandleMessageActions;
     public ISlackbotHandlersBuilder AddTeamJoinHandler<T>() where T : class, IHandleTeamJoin;
+    public ISlackbotHandlersBuilder AddEmojiChangedHandler<T>() where T : class, IHandleEmojiChanged;
 }
diff --git a/source/src/Slackbot.Net.Endpoints/Hosting/SlackBotHandlersBuilder.cs b/source/src/Slackbot.Net.Endpoints/Hosting/SlackBotHandlersBuilder.cs
index 2a958f5..0b68fc8 100644
--- a/source/src/Slackbot.Net.Endpoints/Hosting/SlackBotHandlersBuilder.cs
+++ b/source/src/Slackbot.Net.Endpoints/Hosting/SlackBotHandlersBuilder.cs
@@ -59,4 +59,10 @@ public ISlackbotHandlersBuilder AddTeamJoinHandler<T>() where T : class, IHandle
         services.AddSingleton<IHandleTeamJoin, T>();
         return this;
     }
+
+    public ISlackbotHandlersBuilder AddEmojiChangedHandler<T>() where T : class, IHandleEmojiChanged
+    {
+        services.AddSingleton<IHandleEmojiChanged, T>();
+        return this;
+    }
 }