diff --git a/plugins/custom-auth-example/LICENSE b/plugins/custom-auth-example/LICENSE
new file mode 100644
index 000000000..271342337
--- /dev/null
+++ b/plugins/custom-auth-example/LICENSE
@@ -0,0 +1,20 @@
+The MIT License (MIT)
+
+Copyright (c) 2013 RainLoop Team
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/plugins/custom-auth-example/VERSION b/plugins/custom-auth-example/VERSION
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index 000000000..9f8e9b69a
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+++ b/plugins/custom-auth-example/VERSION
@@ -0,0 +1 @@
+1.0
\ No newline at end of file
diff --git a/plugins/custom-auth-example/index.php b/plugins/custom-auth-example/index.php
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+++ b/plugins/custom-auth-example/index.php
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+<?php
+
+class CustomAuthExamplePlugin extends \RainLoop\Plugins\AbstractPlugin
+{
+	public function Init()
+	{
+		$this->addHook('filter.login-credentials', 'FilterLoginСredentials');
+	}
+
+	/**
+	 * @param string $sEmail
+	 * @param string $sLogin
+	 * @param string $sPassword
+	 *
+	 * @throws \RainLoop\Exceptions\ClientException
+	 */
+	public function FilterLoginСredentials(&$sEmail, &$sLogin, &$sPassword)
+	{
+		// Your custom php logic
+		// You may change login credentials
+		if ('demo@rainloop.net' === $sEmail)
+		{
+			$sEmail = 'user@rainloop.net';
+			$sLogin = 'user@rainloop.net';
+			$sPassword = 'super-puper-password';
+		}
+		else
+		{
+			// or throw auth exeption
+			throw new \RainLoop\Exceptions\ClientException(\RainLoop\Notifications::AuthError);
+			// or
+			throw new \RainLoop\Exceptions\ClientException(\RainLoop\Notifications::AccountNotAllowed);
+			// or
+			throw new \RainLoop\Exceptions\ClientException(\RainLoop\Notifications::DomainNotAllowed);
+		}
+	}
+}