diff --git a/src/TgBotLib/Abstracts/MessageEntityType.php b/src/TgBotLib/Abstracts/MessageEntityType.php
new file mode 100644
index 0000000..8296146
--- /dev/null
+++ b/src/TgBotLib/Abstracts/MessageEntityType.php
@@ -0,0 +1,41 @@
+<?php
+
+    namespace TgBotLib\Abstracts;
+
+    abstract class MessageEntityType
+    {
+        const Mention = 'mention';
+
+        const Hashtag = 'hashtag';
+
+        const CashTag = 'cashtag';
+
+        const BotCommand = 'bot_command';
+
+        const Url = 'url';
+
+        const Email = 'email';
+
+        const PhoneNumber = 'phone_number';
+
+        const Bold = 'bold';
+
+        const Italic = 'italic';
+
+        const Underline = 'underline';
+
+        const Strikethrough = 'strikethrough';
+
+        const Spoiler = 'spoiler';
+
+        const Code = 'code';
+
+        const Pre = 'pre';
+
+        const TextLink = 'text_link';
+
+        const TextMention = 'text_mention';
+
+        const CustomEmoji = 'custom_emoji';
+
+    }
\ No newline at end of file