diff --git a/include/Whisper/Messages/Priority.hpp b/include/Whisper/Messages/Priority.hpp
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+++ b/include/Whisper/Messages/Priority.hpp
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+#pragma once
+/* This Source Code Form is subject to the terms of the Mozilla Public
+* License, v. 2.0. If a copy of the MPL was not distributed with this
+* file, You can obtain one at https://mozilla.org/MPL/2.0/.
+*/
+/** @file */
+/** @copyright 2021 MPLv2 */
+#include <cstdint>
+#include <vector>
+
+/**
+* @brief This is the main namespace for all whisper-com related datatypes and classed.
+*/
+namespace Whisper
+{
+
+  /**
+  * @brief namespace for all data related DataTypes, classes, etc.
+  */
+  namespace Messages
+  {
+
+    /**
+    * \defgroup data_priority Priority of Messages
+    * Messages can be priortisied according to their importants.
+    * In whisper-com certain rules are enforced according to message priority
+    * e.g. important messages may be transorted and processed faster
+    */
+
+
+    /**
+    * @brief Enumeration of different message priorities.
+    * \ingroup message_priorities
+    * Message priorities divides messages into three levels. We think three
+    * levels should be enough and fewer limits the flexibility of the user
+    * and more adds to the overall complexity.
+    */
+    enum class priority : std::uint8_t
+    {
+      /// Messages of Priority low are additional information
+      LOW,
+      /// Messages of Priority medium are information for basic operation
+      MEDIUM,
+      /// Messages of Priority high are essential for survival
+      HIGH,
+    }; // enum class priority
+
+  }; // namespace Data
+
+}; // namespace Whisper