diff --git a/application/Models/Aauth/GroupToGroupModel.php b/application/Models/Aauth/GroupToGroupModel.php
new file mode 100644
index 0000000..ebe207b
--- /dev/null
+++ b/application/Models/Aauth/GroupToGroupModel.php
@@ -0,0 +1,236 @@
+<?php
+/**
+ * CodeIgniter-Aauth
+ *
+ * Aauth is a User Authorization Library for CodeIgniter 4.x, which aims to make
+ * easy some essential jobs such as login, permissions and access operations.
+ * Despite ease of use, it has also very advanced features like groupping,
+ * access management, public access etc..
+ *
+ * @package   CodeIgniter-Aauth
+ * @author    Magefly Team
+ * @copyright 2014-2017 Emre Akay
+ * @copyright 2018 Magefly
+ * @license   https://opensource.org/licenses/MIT	MIT License
+ * @link      https://github.com/magefly/CodeIgniter-Aauth
+ */
+
+namespace App\Models\Aauth;
+
+use Config\Aauth as AauthConfig;
+use Config\Database;
+use CodeIgniter\Database\BaseBuilder;
+use CodeIgniter\Database\BaseConnection;
+use CodeIgniter\Database\ConnectionInterface;
+
+/**
+ * Group To Group Model
+ *
+ * @package CodeIgniter-Aauth
+ *
+ * @since 3.0.0
+ */
+class GroupToGroupModel
+{
+
+	/**
+	 * Database Connection
+	 *
+	 * @var ConnectionInterface
+	 */
+	protected $db;
+
+	/**
+	 * Query Builder object
+	 *
+	 * @var BaseBuilder
+	 */
+	protected $builder;
+
+	/**
+	 * Name of database table
+	 *
+	 * @var string
+	 */
+	protected $table;
+
+	/**
+	 * The Database connection group that
+	 * should be instantiated.
+	 *
+	 * @var string
+	 */
+	protected $DBGroup;
+
+	/**
+	 * Aauth Config object
+	 *
+	 * @var BaseConfig
+	 */
+	protected $config;
+
+	/**
+	 * Constructor
+	 *
+	 * @param ConnectionInterface $db Database object
+	 */
+	public function __construct(ConnectionInterface &$db = null)
+	{
+		$this->config  = new AauthConfig();
+		$this->DBGroup = $this->config->dbProfile;
+		$this->table   = $this->config->dbTableGroupToGroup;
+
+		if ($db instanceof ConnectionInterface)
+		{
+			$this->db = & $db;
+		}
+		else
+		{
+			$this->db = Database::connect($this->DBGroup);
+		}
+
+		$this->request = Services::request();
+	}
+
+	/**
+	 * Get all Group Ids by Subgroup Id
+	 *
+	 * @param integer $subgroupId Subgroup Id
+	 *
+	 * @return array|null
+	 */
+	public function findAllBySubgroupId(int $subgroupId)
+	{
+		$builder = $this->builder();
+		$builder->select('group_id');
+		$builder->where('subgroup_id', $subgroupId);
+
+		return $builder->get()->getResult('array');
+	}
+
+	/**
+	 * Get all Subgroup Ids by Group Id
+	 *
+	 * @param integer $groupId Group Id
+	 *
+	 * @return array|null
+	 */
+	public function findAllByGroupId(int $groupId)
+	{
+		$builder = $this->builder();
+		$builder->select('subgroup_id');
+		$builder->where('group_id', $groupId);
+
+		return $builder->get()->getResult('array');
+	}
+
+	/**
+	 * Check if exists by Group Id and Subgroup Id
+	 *
+	 * @param integer $groupId    Group Id
+	 * @param integer $subgroupId Subgroup Id
+	 *
+	 * @return boolean
+	 */
+	public function exists(int $groupId, int $subgroupId)
+	{
+		$builder = $this->builder();
+
+		$builder->where('group_id', $groupId);
+		$builder->where('subgroup_id', $subgroupId);
+		return ($builder->countAllResults() ? true : false);
+	}
+
+	/**
+	 * Insert
+	 *
+	 * @param integer $groupId    Group Id
+	 * @param integer $subgroupId Subgroup Id
+	 *
+	 * @return BaseBuilder
+	 */
+	public function insert(int $groupId, int $subgroupId)
+	{
+		$builder = $this->builder();
+
+		$data['group_id']    = $groupId;
+		$data['subgroup_id'] = $subgroupId;
+
+		return $builder->insert($data);
+	}
+
+	/**
+	 * Delete by Group Id and Subgroup Id
+	 *
+	 * @param integer $groupId    Group Id
+	 * @param integer $subgroupId Subgroup Id
+	 *
+	 * @return BaseBuilder
+	 */
+	public function delete(int $groupId, int $subgroupId)
+	{
+		$builder = $this->builder();
+		$builder->where('group_id', $groupId);
+		$builder->where('subgroup_id', $subgroupId);
+
+		return $builder->delete();
+	}
+
+	/**
+	 * Deletes all by Group Id
+	 *
+	 * @param integer $groupId Group Id
+	 *
+	 * @return BaseBuilder
+	 */
+	public function deleteAllByGroupId(int $groupId)
+	{
+		$builder = $this->builder();
+		$builder->where('group_id', $groupId);
+
+		return $builder->delete();
+	}
+
+	/**
+	 * Deletes all by Subgroup Id
+	 *
+	 * @param integer $subgroupId Subgroup Id
+	 *
+	 * @return BaseBuilder
+	 */
+	public function deleteAllBySubgroupId(int $subgroupId)
+	{
+		$builder = $this->builder();
+		$builder->where('subgroup_id', $subgroupId);
+
+		return $builder->delete();
+	}
+
+	/**
+	 * Provides a shared instance of the Query Builder.
+	 *
+	 * @param string $table Table Name
+	 *
+	 * @return BaseBuilder
+	 */
+	protected function builder(string $table = null)
+	{
+		if ($this->builder instanceof BaseBuilder)
+		{
+			return $this->builder;
+		}
+
+		$table = empty($table) ? $this->table : $table;
+
+		// Ensure we have a good db connection
+		if (! $this->db instanceof BaseConnection)
+		{
+			$this->db = Database::connect($this->DBGroup);
+		}
+
+		$this->builder = $this->db->table($table);
+
+		return $this->builder;
+	}
+
+}
diff --git a/application/Models/Aauth/GroupToUserModel.php b/application/Models/Aauth/GroupToUserModel.php
new file mode 100644
index 0000000..78a0a98
--- /dev/null
+++ b/application/Models/Aauth/GroupToUserModel.php
@@ -0,0 +1,236 @@
+<?php
+/**
+ * CodeIgniter-Aauth
+ *
+ * Aauth is a User Authorization Library for CodeIgniter 4.x, which aims to make
+ * easy some essential jobs such as login, permissions and access operations.
+ * Despite ease of use, it has also very advanced features like groupping,
+ * access management, public access etc..
+ *
+ * @package   CodeIgniter-Aauth
+ * @author    Magefly Team
+ * @copyright 2014-2017 Emre Akay
+ * @copyright 2018 Magefly
+ * @license   https://opensource.org/licenses/MIT	MIT License
+ * @link      https://github.com/magefly/CodeIgniter-Aauth
+ */
+
+namespace App\Models\Aauth;
+
+use Config\Aauth as AauthConfig;
+use Config\Database;
+use CodeIgniter\Database\BaseBuilder;
+use CodeIgniter\Database\BaseConnection;
+use CodeIgniter\Database\ConnectionInterface;
+
+/**
+ * Group To User Model
+ *
+ * @package CodeIgniter-Aauth
+ *
+ * @since 3.0.0
+ */
+class GroupToUserModel
+{
+
+	/**
+	 * Database Connection
+	 *
+	 * @var ConnectionInterface
+	 */
+	protected $db;
+
+	/**
+	 * Query Builder object
+	 *
+	 * @var BaseBuilder
+	 */
+	protected $builder;
+
+	/**
+	 * Name of database table
+	 *
+	 * @var string
+	 */
+	protected $table;
+
+	/**
+	 * The Database connection group that
+	 * should be instantiated.
+	 *
+	 * @var string
+	 */
+	protected $DBGroup;
+
+	/**
+	 * Aauth Config object
+	 *
+	 * @var BaseConfig
+	 */
+	protected $config;
+
+	/**
+	 * Constructor
+	 *
+	 * @param ConnectionInterface $db Database object
+	 */
+	public function __construct(ConnectionInterface &$db = null)
+	{
+		$this->config  = new AauthConfig();
+		$this->DBGroup = $this->config->dbProfile;
+		$this->table   = $this->config->dbTableGroupToUser;
+
+		if ($db instanceof ConnectionInterface)
+		{
+			$this->db = & $db;
+		}
+		else
+		{
+			$this->db = Database::connect($this->DBGroup);
+		}
+
+		$this->request = Services::request();
+	}
+
+	/**
+	 * Get all Group Ids by User Id
+	 *
+	 * @param integer $userId User Id
+	 *
+	 * @return array|null
+	 */
+	public function findAllByUserId(int $userId)
+	{
+		$builder = $this->builder();
+		$builder->select('group_id');
+		$builder->where('user_id', $userId);
+
+		return $builder->get()->getResult('array');
+	}
+
+	/**
+	 * Get all User Ids by Group Id
+	 *
+	 * @param integer $groupId Group Id
+	 *
+	 * @return array|null
+	 */
+	public function findAllByGroupId(int $groupId)
+	{
+		$builder = $this->builder();
+		$builder->select('user_id');
+		$builder->where('group_id', $groupId);
+
+		return $builder->get()->getResult('array');
+	}
+
+	/**
+	 * Check if exists by Group Id and User Id
+	 *
+	 * @param integer $groupId Group Id
+	 * @param integer $userId  User Id
+	 *
+	 * @return boolean
+	 */
+	public function exists(int $groupId, int $userId)
+	{
+		$builder = $this->builder();
+
+		$builder->where('group_id', $groupId);
+		$builder->where('user_id', $userId);
+		return ($builder->countAllResults() ? true : false);
+	}
+
+	/**
+	 * Insert
+	 *
+	 * @param integer $groupId Group Id
+	 * @param integer $userId  User Id
+	 *
+	 * @return BaseBuilder
+	 */
+	public function insert(int $groupId, int $userId)
+	{
+		$builder = $this->builder();
+
+		$data['group_id'] = $groupId;
+		$data['user_id']  = $userId;
+
+		return $builder->insert($data);
+	}
+
+	/**
+	 * Delete by Group Id and User Id
+	 *
+	 * @param integer $groupId Group Id
+	 * @param integer $userId  User Id
+	 *
+	 * @return BaseBuilder
+	 */
+	public function delete(int $groupId, int $userId)
+	{
+		$builder = $this->builder();
+		$builder->where('group_id', $groupId);
+		$builder->where('user_id', $userId);
+
+		return $builder->delete();
+	}
+
+	/**
+	 * Deletes all by Group Id
+	 *
+	 * @param integer $groupId Group Id
+	 *
+	 * @return BaseBuilder
+	 */
+	public function deleteAllByGroupId(int $groupId)
+	{
+		$builder = $this->builder();
+		$builder->where('group_id', $groupId);
+
+		return $builder->delete();
+	}
+
+	/**
+	 * Deletes all by User Id
+	 *
+	 * @param integer $userId User Id
+	 *
+	 * @return BaseBuilder
+	 */
+	public function deleteAllByUserId(int $userId)
+	{
+		$builder = $this->builder();
+		$builder->where('user_id', $userId);
+
+		return $builder->delete();
+	}
+
+	/**
+	 * Provides a shared instance of the Query Builder.
+	 *
+	 * @param string $table Table Name
+	 *
+	 * @return BaseBuilder
+	 */
+	protected function builder(string $table = null)
+	{
+		if ($this->builder instanceof BaseBuilder)
+		{
+			return $this->builder;
+		}
+
+		$table = empty($table) ? $this->table : $table;
+
+		// Ensure we have a good db connection
+		if (! $this->db instanceof BaseConnection)
+		{
+			$this->db = Database::connect($this->DBGroup);
+		}
+
+		$this->builder = $this->db->table($table);
+
+		return $this->builder;
+	}
+
+}
diff --git a/application/Models/Aauth/PermToGroupModel.php b/application/Models/Aauth/PermToGroupModel.php
new file mode 100644
index 0000000..85c6955
--- /dev/null
+++ b/application/Models/Aauth/PermToGroupModel.php
@@ -0,0 +1,236 @@
+<?php
+/**
+ * CodeIgniter-Aauth
+ *
+ * Aauth is a User Authorization Library for CodeIgniter 4.x, which aims to make
+ * easy some essential jobs such as login, permissions and access operations.
+ * Despite ease of use, it has also very advanced features like groupping,
+ * access management, public access etc..
+ *
+ * @package   CodeIgniter-Aauth
+ * @author    Magefly Team
+ * @copyright 2014-2017 Emre Akay
+ * @copyright 2018 Magefly
+ * @license   https://opensource.org/licenses/MIT	MIT License
+ * @link      https://github.com/magefly/CodeIgniter-Aauth
+ */
+
+namespace App\Models\Aauth;
+
+use Config\Aauth as AauthConfig;
+use Config\Database;
+use CodeIgniter\Database\BaseBuilder;
+use CodeIgniter\Database\BaseConnection;
+use CodeIgniter\Database\ConnectionInterface;
+
+/**
+ * Perm To Group Model
+ *
+ * @package CodeIgniter-Aauth
+ *
+ * @since 3.0.0
+ */
+class PermToGroupModel
+{
+
+	/**
+	 * Database Connection
+	 *
+	 * @var ConnectionInterface
+	 */
+	protected $db;
+
+	/**
+	 * Query Builder object
+	 *
+	 * @var BaseBuilder
+	 */
+	protected $builder;
+
+	/**
+	 * Name of database table
+	 *
+	 * @var string
+	 */
+	protected $table;
+
+	/**
+	 * The Database connection group that
+	 * should be instantiated.
+	 *
+	 * @var string
+	 */
+	protected $DBGroup;
+
+	/**
+	 * Aauth Config object
+	 *
+	 * @var BaseConfig
+	 */
+	protected $config;
+
+	/**
+	 * Constructor
+	 *
+	 * @param ConnectionInterface $db Database object
+	 */
+	public function __construct(ConnectionInterface &$db = null)
+	{
+		$this->config  = new AauthConfig();
+		$this->DBGroup = $this->config->dbProfile;
+		$this->table   = $this->config->dbTablePermToUser;
+
+		if ($db instanceof ConnectionInterface)
+		{
+			$this->db = & $db;
+		}
+		else
+		{
+			$this->db = Database::connect($this->DBGroup);
+		}
+
+		$this->request = Services::request();
+	}
+
+	/**
+	 * Get all Perm Ids by Group Id
+	 *
+	 * @param integer $groupId Group Id
+	 *
+	 * @return array|null
+	 */
+	public function findAllByGroupId(int $groupId)
+	{
+		$builder = $this->builder();
+		$builder->select('perm_id');
+		$builder->where('group_id', $groupId);
+
+		return $builder->get()->getResult('array');
+	}
+
+	/**
+	 * Get all Group Ids by Perm Id
+	 *
+	 * @param integer $permId Perm Id
+	 *
+	 * @return array|null
+	 */
+	public function findAllByPermId(int $permId)
+	{
+		$builder = $this->builder();
+		$builder->select('group_id');
+		$builder->where('perm_id', $permId);
+
+		return $builder->get()->getResult('array');
+	}
+
+	/**
+	 * Check if exists by Perm Id and Group Id
+	 *
+	 * @param integer $permId  Perm Id
+	 * @param integer $groupId Group Id
+	 *
+	 * @return boolean
+	 */
+	public function exists(int $permId, int $groupId)
+	{
+		$builder = $this->builder();
+
+		$builder->where('perm_id', $permId);
+		$builder->where('group_id', $groupId);
+		return ($builder->countAllResults() ? true : false);
+	}
+
+	/**
+	 * Insert
+	 *
+	 * @param integer $permId  Perm Id
+	 * @param integer $groupId Group Id
+	 *
+	 * @return BaseBuilder
+	 */
+	public function insert(int $permId, int $groupId)
+	{
+		$builder = $this->builder();
+
+		$data['perm_id']  = $permId;
+		$data['group_id'] = $groupId;
+
+		return $builder->insert($data);
+	}
+
+	/**
+	 * Delete by Perm Id and Group Id
+	 *
+	 * @param integer $permId  Perm Id
+	 * @param integer $groupId Group Id
+	 *
+	 * @return BaseBuilder
+	 */
+	public function delete(int $permId, int $groupId)
+	{
+		$builder = $this->builder();
+		$builder->where('perm_id', $permId);
+		$builder->where('group_id', $groupId);
+
+		return $builder->delete();
+	}
+
+	/**
+	 * Deletes all by Perm Id
+	 *
+	 * @param integer $permId Perm Id
+	 *
+	 * @return BaseBuilder
+	 */
+	public function deleteAllByPermId(int $permId)
+	{
+		$builder = $this->builder();
+		$builder->where('perm_id', $permId);
+
+		return $builder->delete();
+	}
+
+	/**
+	 * Deletes all by Group Id
+	 *
+	 * @param integer $groupId Group Id
+	 *
+	 * @return BaseBuilder
+	 */
+	public function deleteAllByGroupId(int $groupId)
+	{
+		$builder = $this->builder();
+		$builder->where('group_id', $groupId);
+
+		return $builder->delete();
+	}
+
+	/**
+	 * Provides a shared instance of the Query Builder.
+	 *
+	 * @param string $table Table Name
+	 *
+	 * @return BaseBuilder
+	 */
+	protected function builder(string $table = null)
+	{
+		if ($this->builder instanceof BaseBuilder)
+		{
+			return $this->builder;
+		}
+
+		$table = empty($table) ? $this->table : $table;
+
+		// Ensure we have a good db connection
+		if (! $this->db instanceof BaseConnection)
+		{
+			$this->db = Database::connect($this->DBGroup);
+		}
+
+		$this->builder = $this->db->table($table);
+
+		return $this->builder;
+	}
+
+}
diff --git a/application/Models/Aauth/PermToUserModel.php b/application/Models/Aauth/PermToUserModel.php
new file mode 100644
index 0000000..172717a
--- /dev/null
+++ b/application/Models/Aauth/PermToUserModel.php
@@ -0,0 +1,236 @@
+<?php
+/**
+ * CodeIgniter-Aauth
+ *
+ * Aauth is a User Authorization Library for CodeIgniter 4.x, which aims to make
+ * easy some essential jobs such as login, permissions and access operations.
+ * Despite ease of use, it has also very advanced features like groupping,
+ * access management, public access etc..
+ *
+ * @package   CodeIgniter-Aauth
+ * @author    Magefly Team
+ * @copyright 2014-2017 Emre Akay
+ * @copyright 2018 Magefly
+ * @license   https://opensource.org/licenses/MIT	MIT License
+ * @link      https://github.com/magefly/CodeIgniter-Aauth
+ */
+
+namespace App\Models\Aauth;
+
+use Config\Aauth as AauthConfig;
+use Config\Database;
+use CodeIgniter\Database\BaseBuilder;
+use CodeIgniter\Database\BaseConnection;
+use CodeIgniter\Database\ConnectionInterface;
+
+/**
+ * Perm To User Model
+ *
+ * @package CodeIgniter-Aauth
+ *
+ * @since 3.0.0
+ */
+class PermToUserModel
+{
+
+	/**
+	 * Database Connection
+	 *
+	 * @var ConnectionInterface
+	 */
+	protected $db;
+
+	/**
+	 * Query Builder object
+	 *
+	 * @var BaseBuilder
+	 */
+	protected $builder;
+
+	/**
+	 * Name of database table
+	 *
+	 * @var string
+	 */
+	protected $table;
+
+	/**
+	 * The Database connection group that
+	 * should be instantiated.
+	 *
+	 * @var string
+	 */
+	protected $DBGroup;
+
+	/**
+	 * Aauth Config object
+	 *
+	 * @var BaseConfig
+	 */
+	protected $config;
+
+	/**
+	 * Constructor
+	 *
+	 * @param ConnectionInterface $db Database object
+	 */
+	public function __construct(ConnectionInterface &$db = null)
+	{
+		$this->config  = new AauthConfig();
+		$this->DBGroup = $this->config->dbProfile;
+		$this->table   = $this->config->dbTablePermToUser;
+
+		if ($db instanceof ConnectionInterface)
+		{
+			$this->db = & $db;
+		}
+		else
+		{
+			$this->db = Database::connect($this->DBGroup);
+		}
+
+		$this->request = Services::request();
+	}
+
+	/**
+	 * Get all Perm Ids by User Id
+	 *
+	 * @param integer $userId User Id
+	 *
+	 * @return array|null
+	 */
+	public function findAllByUserId(int $userId)
+	{
+		$builder = $this->builder();
+		$builder->select('perm_id');
+		$builder->where('user_id', $userId);
+
+		return $builder->get()->getResult('array');
+	}
+
+	/**
+	 * Get all User Ids by Perm Id
+	 *
+	 * @param integer $permId Perm Id
+	 *
+	 * @return array|null
+	 */
+	public function findAllByPermId(int $permId)
+	{
+		$builder = $this->builder();
+		$builder->select('user_id');
+		$builder->where('perm_id', $permId);
+
+		return $builder->get()->getResult('array');
+	}
+
+	/**
+	 * Check if exists by Perm Id and User Id
+	 *
+	 * @param integer $permId Perm Id
+	 * @param integer $userId User Id
+	 *
+	 * @return boolean
+	 */
+	public function exists(int $permId, int $userId)
+	{
+		$builder = $this->builder();
+
+		$builder->where('perm_id', $permId);
+		$builder->where('user_id', $userId);
+		return ($builder->countAllResults() ? true : false);
+	}
+
+	/**
+	 * Insert
+	 *
+	 * @param integer $permId Perm Id
+	 * @param integer $userId User Id
+	 *
+	 * @return BaseBuilder
+	 */
+	public function insert(int $permId, int $userId)
+	{
+		$builder = $this->builder();
+
+		$data['perm_id'] = $permId;
+		$data['user_id'] = $userId;
+
+		return $builder->insert($data);
+	}
+
+	/**
+	 * Delete by Perm Id and User Id
+	 *
+	 * @param integer $permId Perm Id
+	 * @param integer $userId User Id
+	 *
+	 * @return BaseBuilder
+	 */
+	public function delete(int $permId, int $userId)
+	{
+		$builder = $this->builder();
+		$builder->where('perm_id', $permId);
+		$builder->where('user_id', $userId);
+
+		return $builder->delete();
+	}
+
+	/**
+	 * Deletes all by Perm Id
+	 *
+	 * @param integer $permId Perm Id
+	 *
+	 * @return BaseBuilder
+	 */
+	public function deleteAllByPermId(int $permId)
+	{
+		$builder = $this->builder();
+		$builder->where('perm_id', $permId);
+
+		return $builder->delete();
+	}
+
+	/**
+	 * Deletes all by User Id
+	 *
+	 * @param integer $userId User Id
+	 *
+	 * @return BaseBuilder
+	 */
+	public function deleteAllByUserId(int $userId)
+	{
+		$builder = $this->builder();
+		$builder->where('user_id', $userId);
+
+		return $builder->delete();
+	}
+
+	/**
+	 * Provides a shared instance of the Query Builder.
+	 *
+	 * @param string $table Table Name
+	 *
+	 * @return BaseBuilder
+	 */
+	protected function builder(string $table = null)
+	{
+		if ($this->builder instanceof BaseBuilder)
+		{
+			return $this->builder;
+		}
+
+		$table = empty($table) ? $this->table : $table;
+
+		// Ensure we have a good db connection
+		if (! $this->db instanceof BaseConnection)
+		{
+			$this->db = Database::connect($this->DBGroup);
+		}
+
+		$this->builder = $this->db->table($table);
+
+		return $this->builder;
+	}
+
+}