diff --git a/Examples/xx-messenger/Sources/AppCore/Models/MessagePayload.swift b/Examples/xx-messenger/Sources/AppCore/Models/MessagePayload.swift
new file mode 100644
index 0000000000000000000000000000000000000000..67fb94d905b06ad25816ca8c4d11081c72053f19
--- /dev/null
+++ b/Examples/xx-messenger/Sources/AppCore/Models/MessagePayload.swift
@@ -0,0 +1,23 @@
+import Foundation
+
+public struct MessagePayload: Equatable {
+  public init(text: String) {
+    self.text = text
+  }
+
+  public var text: String
+}
+
+extension MessagePayload: Codable {
+  enum CodingKeys: String, CodingKey {
+    case text
+  }
+
+  public static func decode(_ data: Data) throws -> Self {
+    try JSONDecoder().decode(Self.self, from: data)
+  }
+
+  public func encode() throws -> Data {
+    try JSONEncoder().encode(self)
+  }
+}