diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 7ba3cf716..7508f3b4d 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -85,6 +85,7 @@ define("PATH_DATA_MAILTEMPLATES", PATH_DATA_SITE . "mailTemplates/");
 define("PATH_DATA_PUBLIC", PATH_DATA_SITE . "public/");
 define("PATH_CONTROLLERS", PATH_CORE . "controllers" . PATH_SEP);
 define("PATH_SKIN_ENGINE", PATH_CORE . "skinEngine" . PATH_SEP);
+define("PATH_IMAGES_ENVIRONMENT_USERS", PATH_DATA_SITE . "usersPhotographies" . PATH_SEP);
 G::defineConstants();
 
 /**
diff --git a/tests/unit/workflow/engine/classes/PmFunctions/PMFNewUserTest.php b/tests/unit/workflow/engine/classes/PmFunctions/PMFNewUserTest.php
new file mode 100644
index 000000000..18dea2982
--- /dev/null
+++ b/tests/unit/workflow/engine/classes/PmFunctions/PMFNewUserTest.php
@@ -0,0 +1,248 @@
+<?php
+
+namespace Tests\unit\workflow\engine\classes\PmFunctions;
+
+use ProcessMaker\Model\GroupUser;
+use ProcessMaker\Model\Groupwf;
+use ProcessMaker\Model\RbacUsers;
+use ProcessMaker\Model\User;
+use RBAC;
+use Tests\TestCase;
+
+class PMFNewUserTest extends TestCase
+{
+    /**
+     * Creates the setUp method
+     */
+    public function setUp()
+    {
+        if (!defined('PPP_NUMERICAL_CHARACTER_REQUIRED')) {
+            define('PPP_NUMERICAL_CHARACTER_REQUIRED', 1);
+        }
+        if (!defined('PPP_UPPERCASE_CHARACTER_REQUIRED')) {
+            define('PPP_UPPERCASE_CHARACTER_REQUIRED', 1);
+        }
+        if (!defined('PPP_SPECIAL_CHARACTER_REQUIRED')) {
+            define('PPP_SPECIAL_CHARACTER_REQUIRED', 1);
+        }
+    }
+
+    /**
+     * It tests the PMFNewUser() function
+     * 
+     * @test
+     */
+    public function it_should_test_the_pmfnewuser_function()
+    {
+        global $RBAC;
+        $user = User::where('USR_ID', '=', 1)->get()->first();
+        $_SESSION['USER_LOGGED'] = $user['USR_UID'];
+        $RBAC = RBAC::getSingleton(PATH_DATA, session_id());
+        $RBAC->initRBAC();
+        $RBAC->loadUserRolePermission('PROCESSMAKER', $_SESSION['USER_LOGGED']);
+
+        $group = factory(Groupwf::class)->create();
+
+        $result = PMFNewUser("test", "Test123*", "test", "test", "test@test.com", "PROCESSMAKER_ADMIN", null, null, $group['GRP_UID']);
+
+        $query = GroupUser::select();
+        $r = $query->get()->values()->toArray();
+
+        $this->assertEquals($r[0]['GRP_UID'], $result['groupUid']);
+        $this->assertEquals($r[0]['USR_UID'], $result['userUid']);
+
+        $query = RbacUsers::select()->where('USR_UID', $result['userUid']);
+        $r = $query->get()->values()->toArray();
+
+        $this->assertNotEmpty($r);
+        $this->assertEquals($result['userUid'], $r[0]['USR_UID']);
+        $this->assertEquals($result['username'], $r[0]['USR_USERNAME']);
+    }
+
+    /**
+     * It tests the exception user is required in the PMFNewUser() function
+     * 
+     * @test
+     */
+    public function it_should_test_exception_user_required()
+    {
+        $this->expectExceptionMessage('**ID_USERNAME_REQUIRED**');
+        PMFNewUser("", "test123", "test", "test", "test@test.com", "PROCESSMAKER_ADMIN", null, null, null);
+    }
+
+    /**
+     * It tests the exception lastname is required in the PMFNewUser() function
+     * 
+     * @test
+     */
+    public function it_should_test_exception_lastname_required()
+    {
+        $this->expectExceptionMessage('**ID_MSG_ERROR_USR_LASTNAME**');
+        PMFNewUser("test", "test123", "test", "", "test@test.com", "PROCESSMAKER_ADMIN", null, null, null);
+    }
+
+    /**
+     * It tests the exception firstname is required in the PMFNewUser() function
+     * 
+     * @test
+     */
+    public function it_should_test_exception_firstname_required()
+    {
+        $this->expectExceptionMessage('**ID_MSG_ERROR_USR_FIRSTNAME**');
+        PMFNewUser("test", "test123", "", "test", "test@test.com", "PROCESSMAKER_ADMIN", null, null, null);
+    }
+
+    /**
+     * It tests the exception password is required in the PMFNewUser() function
+     * 
+     * @test
+     */
+    public function it_should_test_exception_password_required()
+    {
+        $this->expectExceptionMessage('**ID_PASSWD_REQUIRED**');
+        PMFNewUser("test", "", "test", "test", "test@test.com", "PROCESSMAKER_ADMIN", null, null, null);
+    }
+
+    /**
+     * It tests the exception email is required in the PMFNewUser() function
+     * 
+     * @test
+     */
+    public function it_should_test_exception_email_required()
+    {
+        $this->expectExceptionMessage('**ID_EMAIL_IS_REQUIRED**');
+        PMFNewUser("test", "test123", "test", "test", "", "PROCESSMAKER_ADMIN", null, null, null);
+    }
+
+    /**
+     * It tests the email format exception in the PMFNewUser() function
+     * 
+     * @test
+     */
+    public function it_should_test_email_format_exception()
+    {
+        $this->expectExceptionMessage('**ID_EMAIL_INVALID**');
+        PMFNewUser("test2", "Test123*", "test", "test", "test@test", "PROCESSMAKER_ADMIN", null, null, null);
+    }
+
+    /**
+     * It tests the due date format exception in the PMFNewUser() function
+     * 
+     * @test
+     */
+    public function it_should_test_duedate_format_exception()
+    {
+        $this->expectExceptionMessage('**ID_INVALID_DATA**');
+        PMFNewUser("test2", "test123", "test", "test", "test@test.com", "PROCESSMAKER_ADMIN", '121212', null, null);
+    }
+
+    /**
+     * It tests the status exception in the PMFNewUser() function
+     * 
+     * @test
+     */
+    public function it_should_test_status_exception()
+    {
+        $this->expectExceptionMessage('**ID_INVALID_DATA**');
+        PMFNewUser("test2", "test123", "test", "test", "test@test.com", "PROCESSMAKER_ADMIN", null, 'ACTI', null);
+    }
+
+    /**
+     * It tests the rol exception in the PMFNewUser() function
+     * 
+     * @test
+     */
+    public function it_should_test_rol_exception()
+    {
+        $this->expectExceptionMessage('**ID_INVALID_ROLE**');
+        PMFNewUser("test2", "test13", "test", "test", "test@test.com", "PROCESSMAKER_ADM", null, null, null);
+    }
+
+    /**
+     * It tests the password surprases exception in the PMFNewUser() function
+     * 
+     * @test
+     */
+    public function it_should_test_password_surprases_exception()
+    {
+        $this->expectExceptionMessage('**ID_PASSWORD_SURPRASES**');
+        PMFNewUser("test2", "123456789012345678901234567890", "test", "test", "test@test.com", "PROCESSMAKER_ADMIN", null, null, null);
+    }
+
+    /**
+     * It tests the password numerical character required exception in the PMFNewUser() function
+     * 
+     * @test
+     */
+    public function it_should_test_password_numerical_exception()
+    {
+        $this->expectExceptionMessage('**ID_PPP_NUMERICAL_CHARACTER_REQUIRED**');
+        PMFNewUser("test2", "TestA*", "test", "test", "test@test.com", "PROCESSMAKER_ADMIN", null, null, null);
+    }
+
+    /**
+     * It tests the password uppercase character required exception in the PMFNewUser() function
+     * 
+     * @test
+     */
+    public function it_should_test_password_uppercase_exception()
+    {
+        $this->expectExceptionMessage('**ID_PPP_UPPERCASE_CHARACTER_REQUIRED**');
+        PMFNewUser("test2", "test1*", "test", "test", "test@test.com", "PROCESSMAKER_ADMIN", null, null, null);
+    }
+
+    /**
+     * It tests the password special character required exception in the PMFNewUser() function
+     * 
+     * @test
+     */
+    public function it_should_test_password_special_character_exception()
+    {
+        $this->expectExceptionMessage('**ID_PPP_SPECIAL_CHARACTER_REQUIRED**');
+        PMFNewUser("test2", "Test1", "test", "test", "test@test.com", "PROCESSMAKER_ADMIN", null, null, null);
+    }
+
+    /**
+     * It tests the password below exception in the PMFNewUser() function
+     * 
+     * @test
+     */
+    public function it_should_test_password_below_exception()
+    {
+        $this->expectExceptionMessage('**ID_PASSWORD_BELOW**');
+        PMFNewUser("test2", "test", "test", "test", "test@test.com", "PROCESSMAKER_ADMIN", null, null, null);
+    }
+
+    /**
+     * It tests the username exists exception in the PMFNewUser() function
+     * 
+     * @test
+     */
+    public function it_should_test_username_exists_exception()
+    {
+        $this->expectExceptionMessage('**ID_USERNAME_ALREADY_EXISTS**');
+        PMFNewUser("test", "Test12345*", "test", "test", "test@test.com", "PROCESSMAKER_ADMIN", null, null, null);
+    }
+
+    /**
+     * It tests the email is invalid exception in the PMFNewUser() function
+     * 
+     * @test
+     */
+    public function it_should_test_email_invalid_exception()
+    {
+        $this->expectExceptionMessage('**ID_EMAIL_INVALID**');
+        PMFNewUser("test3", "Test12345*", "test", "test", "test@test", "PROCESSMAKER_ADMIN", null, null, null);
+    }
+
+    /**
+     * It tests the group does not exists exception in the PMFNewUser() function
+     * 
+     * @test
+     */
+    public function it_should_test_group_doesnot_exists_exception()
+    {
+        $this->expectExceptionMessage('**ID_GROUP_DOESNT_EXIST**');
+        PMFNewUser("test3", "Test12345*", "test", "test", "test@test.com", "PROCESSMAKER_ADMIN", null, null, '1234');
+    }
+}
diff --git a/tests/unit/workflow/engine/src/ProcessMaker/Model/GroupUserTest.php b/tests/unit/workflow/engine/src/ProcessMaker/Model/GroupUserTest.php
new file mode 100644
index 000000000..0ef5a8ae2
--- /dev/null
+++ b/tests/unit/workflow/engine/src/ProcessMaker/Model/GroupUserTest.php
@@ -0,0 +1,72 @@
+<?php
+
+namespace Tests\unit\workflow\engine\src\ProcessMaker\Model;
+
+use Illuminate\Foundation\Testing\DatabaseTransactions;
+use ProcessMaker\Model\GroupUser;
+use ProcessMaker\Model\Groupwf;
+use ProcessMaker\Model\RbacUsers;
+use ProcessMaker\Model\User;
+use Tests\TestCase;
+
+/**
+ * Class ProcessTest
+ *
+ * @coversDefaultClass \ProcessMaker\Model\GroupUser
+ */
+class GroupUserTest extends TestCase
+{
+    use DatabaseTransactions;
+
+    /**
+     * It tests the assignUserToGroup() method
+     * 
+     * @test
+     */
+    public function it_should_test_the_assign_user_to_group_method()
+    {
+        $rbacUser = factory(RbacUsers::class)->create();
+        $user = factory(User::class)->create([
+            'USR_UID' => $rbacUser['USR_UID'],
+            'USR_USERNAME' => $rbacUser['USR_USERNAME'],
+            'USR_PASSWORD' => $rbacUser['USR_PASSWORD'],
+            'USR_FIRSTNAME' => $rbacUser['USR_FIRSTNAME'],
+            'USR_LASTNAME' => $rbacUser['USR_LASTNAME'],
+            'USR_EMAIL' => $rbacUser['USR_EMAIL'],
+        ]);
+        $group = factory(Groupwf::class)->create();
+
+        GroupUser::assignUserToGroup($rbacUser['USR_UID'], $user['USR_ID'], $group['GRP_UID'], $group['GRP_ID']);
+
+        $query = GroupUser::select()->where('GRP_ID', $group['GRP_ID'])->where('USR_ID', $user['USR_ID']);
+        $res = $query->get()->values()->toArray();
+        $this->assertNotEmpty($res);
+    }
+
+    /**
+     * It tests the verifyUserIsInGroup() method
+     * 
+     * @test
+     */
+    public function it_should_test_the_verify_user_is_in_group_method()
+    {
+        $rbacUser = factory(RbacUsers::class)->create();
+        $user = factory(User::class)->create([
+            'USR_UID' => $rbacUser['USR_UID'],
+            'USR_USERNAME' => $rbacUser['USR_USERNAME'],
+            'USR_PASSWORD' => $rbacUser['USR_PASSWORD'],
+            'USR_FIRSTNAME' => $rbacUser['USR_FIRSTNAME'],
+            'USR_LASTNAME' => $rbacUser['USR_LASTNAME'],
+            'USR_EMAIL' => $rbacUser['USR_EMAIL'],
+        ]);
+        $group = factory(Groupwf::class)->create();
+
+        $res = GroupUser::verifyUserIsInGroup($user['USR_ID'], $group['GRP_ID']);
+        $this->assertFalse($res);
+
+        GroupUser::assignUserToGroup($rbacUser['USR_UID'], $user['USR_ID'], $group['GRP_UID'], $group['GRP_ID']);
+
+        $res = GroupUser::verifyUserIsInGroup($user['USR_ID'], $group['GRP_ID']);
+        $this->assertTrue($res);
+    }
+}
diff --git a/tests/unit/workflow/engine/src/ProcessMaker/Model/GroupwfTest.php b/tests/unit/workflow/engine/src/ProcessMaker/Model/GroupwfTest.php
new file mode 100644
index 000000000..3ecfb408a
--- /dev/null
+++ b/tests/unit/workflow/engine/src/ProcessMaker/Model/GroupwfTest.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace Tests\unit\workflow\engine\src\ProcessMaker\Model;
+
+use Illuminate\Foundation\Testing\DatabaseTransactions;
+use ProcessMaker\Model\Groupwf;
+use Tests\TestCase;
+
+/**
+ * Class ProcessTest
+ *
+ * @coversDefaultClass \ProcessMaker\Model\Groupwf
+ */
+class GroupwfTest extends TestCase
+{
+    use DatabaseTransactions;
+
+    /**
+     * It tests the verifyGroupExists() method
+     * 
+     * @test
+     */
+    public function it_should_test_the_verify_group_exists_method()
+    {
+        $groupWf = factory(Groupwf::class)->create();
+
+        $res = Groupwf::verifyGroupExists($groupWf['GRP_UID']);
+        $this->assertTrue($res);
+
+        $res = Groupwf::verifyGroupExists('12345');
+        $this->assertFalse($res);
+    }
+
+    /**
+     * It tests the getGroupId() method
+     * 
+     * @test
+     */
+    public function it_should_test_the_get_group_id_method()
+    {
+        $groupWf = factory(Groupwf::class)->create();
+
+        $res = Groupwf::getGroupId($groupWf['GRP_UID']);
+        $this->assertNotEmpty($res);
+        $this->assertEquals($res['GRP_ID'], $groupWf['GRP_ID']);
+    }
+}
diff --git a/tests/unit/workflow/engine/src/ProcessMaker/Model/RbacRolesTest.php b/tests/unit/workflow/engine/src/ProcessMaker/Model/RbacRolesTest.php
new file mode 100644
index 000000000..8e0945b79
--- /dev/null
+++ b/tests/unit/workflow/engine/src/ProcessMaker/Model/RbacRolesTest.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace Tests\unit\workflow\engine\src\ProcessMaker\Model;
+
+use Illuminate\Foundation\Testing\DatabaseTransactions;
+use ProcessMaker\Model\RbacRoles;
+use Tests\TestCase;
+
+/**
+ * Class ProcessTest
+ *
+ * @coversDefaultClass \ProcessMaker\Model\RbacRoles
+ */
+class RbacRolesTest extends TestCase
+{
+    use DatabaseTransactions;
+
+    /**
+     * It tests the getRolUidByCode() method
+     * 
+     * @test
+     */
+    public function it_should_test_the_get_rol_uid_by_code_method()
+    {
+        $rol1 = factory(RbacRoles::class)->create([
+            'ROL_CODE' => 'TEST_ROLE'
+        ]);
+
+        $rolUid = RbacRoles::getRolUidByCode('TEST_ROLE');
+        $this->assertEquals($rolUid['ROL_UID'], $rol1->ROL_UID);
+    }
+}
diff --git a/tests/unit/workflow/engine/src/ProcessMaker/Model/RbacUsersTest.php b/tests/unit/workflow/engine/src/ProcessMaker/Model/RbacUsersTest.php
new file mode 100644
index 000000000..6920e5490
--- /dev/null
+++ b/tests/unit/workflow/engine/src/ProcessMaker/Model/RbacUsersTest.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace Tests\unit\workflow\engine\src\ProcessMaker\Model;
+
+use G;
+use Illuminate\Foundation\Testing\DatabaseTransactions;
+use ProcessMaker\Model\RbacRoles;
+use ProcessMaker\Model\RbacUsers;
+use Tests\TestCase;
+
+/**
+ * Class ProcessTest
+ *
+ * @coversDefaultClass \ProcessMaker\Model\SubProcess
+ */
+class RbacUsersTest extends TestCase
+{
+    use DatabaseTransactions;
+
+    /**
+     * It tests the verifyUsernameExists() method
+     * 
+     * @test
+     */
+    public function it_should_test_the_verify_username_exists_method()
+    {
+        $rbacUser = factory(RbacUsers::class)->create([
+            'USR_USERNAME' => 'test'
+        ]);
+
+        $res = RbacUsers::verifyUsernameExists('test');
+        $this->assertTrue($res);
+
+        $res = RbacUsers::verifyUsernameExists('test2');
+        $this->assertFalse($res);
+    }
+
+    /**
+     * It tests the createUser() method
+     * 
+     * @test
+     */
+    public function it_should_test_the_create_user_method()
+    {
+        $roles = factory(RbacRoles::class)->create();
+        $data = [
+            'USR_UID' => G::generateUniqueID(),
+            'USR_USERNAME' => 'test',
+            'USR_PASSWORD' => 'sample',
+            'USR_FIRSTNAME' => 'test',
+            'USR_LASTNAME' => 'test',
+            'USR_EMAIL' => 'test@test.com',
+            'USR_DUE_DATE' => '2021-01-01',
+            'USR_CREATE_DATE' => '2021-01-01',
+            'USR_UPDATE_DATE' => '2021-01-01',
+            'USR_STATUS_ID' => 1,
+            'USR_AUTH_TYPE' => '',
+            'UID_AUTH_SOURCE' => '',
+            'USR_AUTH_USER_DN' => '',
+            'USR_AUTH_SUPERVISOR_DN' => '',
+            'ROL_UID' => $roles['ROL_UID']
+        ];
+        $res = RbacUsers::createUser($data);
+        $this->assertNotEmpty($res);
+    }
+
+    /**
+     * It tests the verifyUserExists() method
+     * 
+     * @test
+     */
+    public function it_should_test_the_verify_user_exists_method()
+    {
+        $rbacUser = factory(RbacUsers::class)->create();
+
+        $res = RbacUsers::verifyUserExists($rbacUser['USR_UID']);
+        $this->assertTrue($res);
+
+        $res = RbacUsers::verifyUserExists('12345');
+        $this->assertFalse($res);
+    }
+}
diff --git a/tests/unit/workflow/engine/src/ProcessMaker/Model/UserTest.php b/tests/unit/workflow/engine/src/ProcessMaker/Model/UserTest.php
index 75b3967aa..ce436f0a9 100644
--- a/tests/unit/workflow/engine/src/ProcessMaker/Model/UserTest.php
+++ b/tests/unit/workflow/engine/src/ProcessMaker/Model/UserTest.php
@@ -189,4 +189,39 @@ class UserTest extends TestCase
         $results = User::getAllInformation($user->USR_ID);
         $this->assertNotEmpty($results);
     }
+    /**
+     * It test get the createUser() method
+     *
+     * @covers \ProcessMaker\Model\User::createUser()
+     * @test
+     */
+    public function it_should_test_the_create_user_method()
+    {
+        $usrData = [
+            'USR_UID' => G::generateUniqueID(),
+            'USR_USERNAME' => 'test',
+            'USR_PASSWORD' => 'sample',
+            'USR_FIRSTNAME' => 'test',
+            'USR_LASTNAME' => 'test',
+            'USR_EMAIL' => 'test@sample.com',
+            'USR_DUE_DATE' => '2021-12-12',
+            'USR_CREATE_DATE' => '2021-12-12',
+            'USR_UPDATE_DATE' => '2021-12-12',
+            'USR_STATUS' => 'ACTIVE',
+            'USR_STATUS_ID' => 1,
+            'USR_COUNTRY' => '',
+            'USR_CITY' => '',
+            'USR_LOCATION' => '',
+            'USR_ADDRESS' => '',
+            'USR_PHONE' => '',
+            'USR_FAX' => '',
+            'USR_CELLULAR' => '',
+            'USR_ZIP_CODE' => '',
+            'DEP_UID' => '',
+            'USR_POSITION' => '',
+            'USR_RESUME' => ''
+        ];
+        $res = User::createUser($usrData);
+        $this->assertInternalType('integer', $res);
+    }
 }
\ No newline at end of file
diff --git a/workflow/engine/classes/class.pmFunctions.php b/workflow/engine/classes/class.pmFunctions.php
index d90073fdf..4e6923fd2 100644
--- a/workflow/engine/classes/class.pmFunctions.php
+++ b/workflow/engine/classes/class.pmFunctions.php
@@ -1,12 +1,17 @@
 <?php
 
+use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Log;
 use ProcessMaker\BusinessModel\Cases as BusinessModelCases;
 use ProcessMaker\Core\System;
+use ProcessMaker\Model\GroupUser;
+use ProcessMaker\Model\Groupwf;
+use ProcessMaker\Model\RbacRoles;
+use ProcessMaker\Model\RbacUsers;
+use ProcessMaker\Model\User;
 use ProcessMaker\Plugins\PluginRegistry;
 use ProcessMaker\Util\ElementTranslation;
 use ProcessMaker\Validation\SqlBlacklist;
-use Illuminate\Support\Facades\DB;
 
 /**
  * ProcessMaker has made a number of its PHP functions available be used in triggers and conditions.
@@ -4013,6 +4018,202 @@ function PMFSendMessageToGroup(
     return 1;
 }
 
+/**
+ * @method
+ * 
+ * Create a new user
+ * 
+ * @name PMFNewUser
+ * @label PMF New User
+ * 
+ * @param string | $username
+ * @param string | $password
+ * @param string | $firstname
+ * @param string | $lastname
+ * @param string | $email
+ * @param string | $role
+ * @param string | $dueDate = null
+ * @param string | $status = null
+ * @param string | $group =null
+ * 
+ * @return array | $response | Response
+ */
+function PMFNewUser(
+    $username,
+    $password, 
+    $firstname, 
+    $lastname, 
+    $email,
+    $role,
+    $dueDate = null,
+    $status = null,
+    $group = null)
+{
+    if (empty($username)) {
+        throw new Exception(G::LoadTranslation('ID_USERNAME_REQUIRED'));
+    }
+
+    if (empty($firstname)) {
+        throw new Exception(G::LoadTranslation('ID_MSG_ERROR_USR_FIRSTNAME'));
+    }
+
+    if (empty($lastname)) {
+        throw new Exception(G::LoadTranslation('ID_MSG_ERROR_USR_LASTNAME'));
+    }
+
+    if (empty($password)) {
+        throw new Exception(G::LoadTranslation('ID_PASSWD_REQUIRED'));
+    }
+
+    if (empty($email)) {
+        throw new Exception(G::LoadTranslation('ID_EMAIL_IS_REQUIRED'));
+    }
+
+    if (!empty($dueDate) && $dueDate != 'null' && $dueDate != '' && $dueDate) {
+        if (!preg_match("/^(\d{4})-(\d{2})-(\d{2})$/", $dueDate, $match)) {
+            throw new Exception(G::LoadTranslation('ID_INVALID_DATA'));
+        } else {
+            $dueDate = mktime(
+                0,
+                0,
+                0,
+                intval($match[2]),
+                intval($match[3]),
+                intval($match[1])
+            );
+        }
+    } else {
+        $expirationDate = 1;
+        $envFile = PATH_CONFIG . 'env.ini';
+        if (file_exists($envFile)) {
+            $sysConf = System::getSystemConfiguration($envFile);
+            if (isset($sysConf['expiration_year']) && $sysConf['expiration_year'] > 0) {
+                $expirationDate = abs($sysConf['expiration_year']);
+            }
+        }
+        $dueDate = mktime(0, 0, 0, 12, 31, date("Y") + $expirationDate);
+    }
+    
+    if (!empty($status) && $status != null && $status != "" && $status) {
+        if ($status != "ACTIVE" && $status != "INACTIVE" && $status != "VACATION") {
+            throw new Exception(G::LoadTranslation('ID_INVALID_DATA'));
+        }
+    } else {
+        $status = "ACTIVE";
+    }
+
+    $rolUid = RbacRoles::getRolUidByCode($role);
+    if (empty($rolUid)) {
+        throw new Exception(G::LoadTranslation('ID_INVALID_ROLE'));
+    }
+
+    $userProperties = new UsersProperties();
+    $validation = $userProperties->validatePassword($password, '', 0);
+
+    if (in_array('ID_PPP_MAXIMUM_LENGTH', $validation)) {
+        throw new Exception(G::LoadTranslation('ID_PASSWORD_SURPRASES'));
+    }
+    
+    if (in_array('ID_PPP_MINIMUM_LENGTH', $validation)) {
+        throw new Exception(G::LoadTranslation('ID_PASSWORD_BELOW'));
+    }
+
+    if (in_array('ID_PPP_NUMERICAL_CHARACTER_REQUIRED', $validation)) {
+        throw new Exception(G::LoadTranslation('ID_PPP_NUMERICAL_CHARACTER_REQUIRED'));
+    }
+
+    if (in_array('ID_PPP_UPPERCASE_CHARACTER_REQUIRED', $validation)) {
+        throw new Exception(G::LoadTranslation('ID_PPP_UPPERCASE_CHARACTER_REQUIRED'));
+    }
+
+    if (in_array('ID_PPP_SPECIAL_CHARACTER_REQUIRED', $validation)) {
+        throw new Exception(G::LoadTranslation('ID_PPP_SPECIAL_CHARACTER_REQUIRED'));
+    }
+
+    if (RbacUsers::verifyUsernameExists($username)) {
+        throw new Exception(G::LoadTranslation('ID_USERNAME_ALREADY_EXISTS'));
+    }
+
+    if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
+        throw new Exception(G::LoadTranslation('ID_EMAIL_INVALID'));
+    }
+
+    if (!is_null($group) && $group != '' && !Groupwf::verifyGroupExists($group)) {
+        throw new Exception(G::LoadTranslation('ID_GROUP_DOESNT_EXIST'));
+    }
+
+    switch ($status) {
+        case 'ACTIVE':
+            $statusId = 1;
+            break;
+        case 'INACTIVE':
+            $statusId = 0;
+            break;
+        case 'VACATION':
+            $statusId = 0;
+            break;
+    }
+    $usrUid = G::generateUniqueID();
+
+    $data = [
+        'USR_UID' => $usrUid,
+        'USR_USERNAME' => $username,
+        'USR_PASSWORD' => Bootstrap::hashPassword($password),
+        'USR_FIRSTNAME' => $firstname,
+        'USR_LASTNAME' => $lastname,
+        'USR_EMAIL' => $email,
+        'USR_DUE_DATE' => date('Y-m-d', $dueDate),
+        'USR_CREATE_DATE' => date("Y-m-d H:i:s"),
+        'USR_UPDATE_DATE' => date("Y-m-d H:i:s"),
+        'USR_STATUS' => $status,
+        'USR_AUTH_TYPE' => '',
+        'UID_AUTH_SOURCE' => '',
+        'USR_AUTH_USER_DN' => "",
+        'USR_AUTH_SUPERVISOR_DN' => "",
+        'USR_STATUS_ID' => $statusId,
+        'USR_COUNTRY' => '',
+        'USR_CITY' => '',
+        'USR_LOCATION' => '',
+        'USR_ADDRESS' => '',
+        'USR_PHONE' => '',
+        'USR_FAX' => '',
+        'USR_CELLULAR' => '',
+        'USR_ZIP_CODE' => '',
+        'DEP_UID' => '',
+        'USR_POSITION' => '',
+        'USR_RESUME' => '',
+        'ROL_CODE' => $role,
+        'ROL_UID' => $rolUid['ROL_UID']
+    ];
+
+    RbacUsers::createUser($data);
+    $usrId = User::createUser($data);
+    
+    $data['USR_ID'] = $usrId;
+
+    if (!is_null($group) && $group != '') {
+        $grpId = Groupwf::getGroupId($group);
+        $data['GRP_ID'] = $grpId['GRP_ID'];
+        GroupUser::assignUserToGroup($usrUid, $usrUid, $group, $grpId['GRP_ID']);
+    }
+
+    $response = [
+        'userUid' => $data['USR_UID'],
+        'userId' => $data['USR_ID'],
+        'username' => $data['USR_USERNAME'],
+        'password' => $data['USR_PASSWORD'],
+        'firstname' => $data['USR_FIRSTNAME'],
+        'lastname' => $data['USR_LASTNAME'],
+        'email' => $data['USR_EMAIL'],
+        'role' => $data['ROL_CODE'],
+        'dueDate' => $data['USR_DUE_DATE'],
+        'status' => $data['USR_STATUS'],
+        'groupUid' => $group
+    ];
+    
+    return $response;
+}
+
 //Start - Private functions
 
 
diff --git a/workflow/engine/content/translations/english/processmaker.en.po b/workflow/engine/content/translations/english/processmaker.en.po
index 7ff1bf71c..cf5371b03 100755
--- a/workflow/engine/content/translations/english/processmaker.en.po
+++ b/workflow/engine/content/translations/english/processmaker.en.po
@@ -457,6 +457,12 @@ msgstr "The mail is invalid"
 msgid "Mail To is required, or uncheck the Send a Test Mail option"
 msgstr "Mail To is required, or uncheck the Send a Test Mail option"
 
+# TRANSLATION
+# JAVASCRIPT/ID_EMAIL_IS_REQUIRED
+#: JAVASCRIPT/ID_EMAIL_IS_REQUIRED
+msgid "Email is required"
+msgstr "Email is required"
+
 # TRANSLATION
 # JAVASCRIPT/ID_EMPTY_NODENAME
 #: JAVASCRIPT/ID_EMPTY_NODENAME
@@ -21197,6 +21203,12 @@ msgstr "The current password is incorrect"
 msgid "Password is longer than the maximum allowed length"
 msgstr "Password is longer than the maximum allowed length"
 
+# TRANSLATION
+# LABEL/ID_PASSWORD_BELOW
+#: LABEL/ID_PASSWORD_BELOW
+msgid "Password is below than the maximum allowed length"
+msgstr "Password is below than the maximum allowed length"
+
 # TRANSLATION
 # LABEL/ID_PASSWORD_TESTING
 #: LABEL/ID_PASSWORD_TESTING
@@ -27881,6 +27893,12 @@ msgstr "Reassign to:"
 msgid "The row '{USR_UID}' in table USER doesn't exist!"
 msgstr "The row '{USR_UID}' in table USER doesn't exist!"
 
+# TRANSLATION
+# LABEL/ID_GROUP_DOESNT_EXIST
+#: LABEL/ID_GROUP_DOESNT_EXIST
+msgid "The group '{GRP_UID}' doesn't exist!"
+msgstr "The group '{GRP_UID}' doesn't exist!"
+
 # TRANSLATION
 # LABEL/ID_USER_WITH_ROLE
 #: LABEL/ID_USER_WITH_ROLE
diff --git a/workflow/engine/data/mysql/insert.sql b/workflow/engine/data/mysql/insert.sql
index da12307a5..1ea4b1adf 100755
--- a/workflow/engine/data/mysql/insert.sql
+++ b/workflow/engine/data/mysql/insert.sql
@@ -56870,6 +56870,7 @@ INSERT INTO TRANSLATION (TRN_CATEGORY,TRN_ID,TRN_LANG,TRN_VALUE,TRN_UPDATE_DATE
 ( 'JAVASCRIPT','ID_EDIT_STAGES_MAP','en','Edit Stages Map','2014-01-15') ,
 ( 'JAVASCRIPT','ID_EMAIL_INVALID','en','The mail is invalid','2014-01-15') ,
 ( 'JAVASCRIPT','ID_EMAIL_REQUIRED','en','Mail To is required, or uncheck the Send a Test Mail option','2014-01-15') ,
+( 'JAVASCRIPT','ID_EMAIL_IS_REQUIRED','en','Email is required','2021-04-08') ,
 ( 'JAVASCRIPT','ID_EMPTY_NODENAME','en','The field name contains spaces or it''s empty!','2014-01-15') ,
 ( 'JAVASCRIPT','ID_ENABLE_WORKSPACE_CONFIRM','en','Do you want enable the selected workspace?','2014-01-15') ,
 ( 'JAVASCRIPT','ID_END_OF_PROCESS','en','End of process','2014-01-15') ,
@@ -60429,6 +60430,7 @@ INSERT INTO TRANSLATION (TRN_CATEGORY,TRN_ID,TRN_LANG,TRN_VALUE,TRN_UPDATE_DATE
 ( 'LABEL','ID_PASSWORD_CURRENT_ENTER','en','Enter the current password','2014-01-15') ,
 ( 'LABEL','ID_PASSWORD_CURRENT_INCORRECT','en','The current password is incorrect','2014-01-15') ,
 ( 'LABEL','ID_PASSWORD_SURPRASES','en','Password is longer than the maximum allowed length','2015-01-16') ,
+( 'LABEL','ID_PASSWORD_BELOW','en','Password is below than the maximum allowed length','2021-04-08') ,
 ( 'LABEL','ID_PASSWORD_TESTING','en','Testing password','2014-01-15') ,
 ( 'LABEL','ID_PATH','en','Path','2014-01-15') ,
 ( 'LABEL','ID_PAUSE','en','Pause','2014-01-15') ,
@@ -61608,6 +61610,7 @@ INSERT INTO TRANSLATION (TRN_CATEGORY,TRN_ID,TRN_LANG,TRN_VALUE,TRN_UPDATE_DATE
 ( 'LABEL','ID_USER_SAVE_FAIL','en','Failed saving User Assigned to Task','2014-01-15') ,
 ( 'LABEL','ID_USER_TO_REASSIGN','en','Reassign to:','2014-01-15') ,
 ( 'LABEL','ID_USER_UID_DOESNT_EXIST','en','The row ''{USR_UID}'' in table USER doesn''t exist!','2014-01-15') ,
+( 'LABEL','ID_GROUP_DOESNT_EXIST','en','The group ''{GRP_UID}'' doesn''t exist!','2021-04-08') ,
 ( 'LABEL','ID_USER_WITH_ROLE','en','Users with role','2014-01-15') ,
 ( 'LABEL','ID_USE_ALPHANUMERIC_CHARACTERS_INCLUDING','en','Please just use alphanumeric characters including: {0}','2020-12-22') ,
 ( 'LABEL','ID_USE_LANGUAGE_URL','en','Use the language of URL','2014-08-08') ,
diff --git a/workflow/engine/src/ProcessMaker/Model/GroupUser.php b/workflow/engine/src/ProcessMaker/Model/GroupUser.php
index 101ba5e92..313485723 100644
--- a/workflow/engine/src/ProcessMaker/Model/GroupUser.php
+++ b/workflow/engine/src/ProcessMaker/Model/GroupUser.php
@@ -2,7 +2,11 @@
 
 namespace ProcessMaker\Model;
 
+use Exception;
+use G;
 use Illuminate\Database\Eloquent\Model;
+use ProcessMaker\Model\Groupwf;
+use ProcessMaker\Model\RbacUsers;
 
 class GroupUser extends Model
 {
@@ -57,5 +61,57 @@ class GroupUser extends Model
 
         return $groups;
     }
-}
 
+    /**
+     * Verify if a user is already assigned to a group
+     * 
+     * @param int $usrId
+     * @param int $grpId
+     * 
+     * @return boolean
+     */
+    public static function verifyUserIsInGroup($usrId, $grpId)
+    {
+        $query = GroupUser::select()->where('GRP_ID', $grpId)->where('USR_ID', $usrId);
+        if (empty($query->get()->values()->toArray())) {
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Assign user to group
+     * 
+     * @param string $usrUid
+     * @param int $usrId
+     * @param string $grpUid
+     * @param int $grpId
+     * 
+     * @return void
+     * @throws Exception
+     */
+    public static function assignUserToGroup($usrUid, $usrId, $grpUid, $grpId)
+    {
+        if (!RbacUsers::verifyUserExists($usrUid)) {
+            return ['message' => G::loadTranslation('ID_USER_NOT_REGISTERED_SYSTEM')];
+        }
+        if (!Groupwf::verifyGroupExists($grpUid)) {
+            return ['message' => G::loadTranslation('ID_GROUP_NOT_REGISTERED_SYSTEM')];
+        }
+        if (GroupUser::verifyUserIsInGroup($usrId, $grpId)) {
+            return ['message' => G::loadTranslation('ID_USER_ALREADY_EXISTS_GROUP')];
+        }
+
+        try {
+            $data = [
+                'GRP_UID' => $grpUid,
+                'GRP_ID' => $grpId,
+                'USR_UID' => $usrUid,
+                'USR_ID' => $usrId,
+            ];
+            GroupUser::insert($data);
+        } catch (Exception $e) {
+            throw new Exception("Error: {$e->getMessage()}.");
+        }
+    }
+}
diff --git a/workflow/engine/src/ProcessMaker/Model/Groupwf.php b/workflow/engine/src/ProcessMaker/Model/Groupwf.php
index 52b47bd04..899b90153 100644
--- a/workflow/engine/src/ProcessMaker/Model/Groupwf.php
+++ b/workflow/engine/src/ProcessMaker/Model/Groupwf.php
@@ -42,5 +42,31 @@ class Groupwf extends Model
     {
         return $query->where('GRP_UID', $uid);
     }
-}
 
+    /**
+     * Verify if group exists
+     * 
+     * @param string $grpUid
+     * @return boolean
+     */
+    public static function verifyGroupExists($grpUid)
+    {
+        $query = Groupwf::select()->group($grpUid);
+        if (empty($query->get()->values()->toArray())) {
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Get group Id
+     * 
+     * @param string $grpUid
+     * @return array
+     */
+    public static function getGroupId($grpUid)
+    {
+        $query = Groupwf::select('GRP_ID')->where('GRP_UID', $grpUid);
+        return $query->get()->first()->toArray();
+    }
+}
diff --git a/workflow/engine/src/ProcessMaker/Model/RbacRoles.php b/workflow/engine/src/ProcessMaker/Model/RbacRoles.php
index 5f14bb9ec..53cd91d7b 100644
--- a/workflow/engine/src/ProcessMaker/Model/RbacRoles.php
+++ b/workflow/engine/src/ProcessMaker/Model/RbacRoles.php
@@ -9,4 +9,22 @@ class RbacRoles extends Model
     protected $table = 'RBAC_ROLES';
     public $timestamps = false;
 
+    /**
+     * Get rol Uid by code
+     * 
+     * @param string $rolCode
+     * 
+     * @return array
+     */
+    public static function getRolUidByCode($rolCode)
+    {
+        $query = RbacRoles::select('ROL_UID')->where('ROL_CODE', $rolCode);
+        $query = $query->get()->first();
+        
+        if (is_null($query)) {
+            return [];
+        } else {
+            return $query->toArray();
+        }
+    }
 }
diff --git a/workflow/engine/src/ProcessMaker/Model/RbacUsers.php b/workflow/engine/src/ProcessMaker/Model/RbacUsers.php
index 39006a814..4a93744a8 100644
--- a/workflow/engine/src/ProcessMaker/Model/RbacUsers.php
+++ b/workflow/engine/src/ProcessMaker/Model/RbacUsers.php
@@ -2,11 +2,77 @@
 
 namespace ProcessMaker\Model;
 
+use Exception;
 use Illuminate\Database\Eloquent\Model;
+use ProcessMaker\Model\RbacUsersRoles;
 
 class RbacUsers extends Model
 {
     protected $table = 'RBAC_USERS';
     public $timestamps = false;
 
+    /**
+     * Create a new user
+     * 
+     * @param array $data
+     * @return array
+     * @throws Exception
+     */
+    public static function createUser($data)
+    {
+        try {
+            $dataInsert = [
+                'USR_UID' => $data['USR_UID'],
+                'USR_USERNAME' => $data['USR_USERNAME'],
+                'USR_PASSWORD' => $data['USR_PASSWORD'],
+                'USR_FIRSTNAME' => $data['USR_FIRSTNAME'],
+                'USR_LASTNAME' => $data['USR_LASTNAME'],
+                'USR_EMAIL' => $data['USR_EMAIL'],
+                'USR_DUE_DATE' => $data['USR_DUE_DATE'],
+                'USR_CREATE_DATE' => $data['USR_CREATE_DATE'],
+                'USR_UPDATE_DATE' => $data['USR_UPDATE_DATE'],
+                'USR_STATUS' => $data['USR_STATUS_ID'],
+                'USR_AUTH_TYPE' => $data['USR_AUTH_TYPE'],
+                'UID_AUTH_SOURCE' => $data['UID_AUTH_SOURCE'],
+                'USR_AUTH_USER_DN' => $data['USR_AUTH_USER_DN'],
+                'USR_AUTH_SUPERVISOR_DN' => $data['USR_AUTH_SUPERVISOR_DN'],
+            ];
+            RbacUsers::insert($dataInsert);
+            RbacUsersRoles::assignRolToUser($data['USR_UID'], $data['ROL_UID']);
+        } catch (Exception $e) {
+            throw new Exception("Error: {$e->getMessage()}.");
+        }
+        return $data;
+    }
+
+    /**
+     * Verify if username exists
+     * 
+     * @param string $username
+     * @return boolean
+     */
+    public static function verifyUsernameExists($username)
+    {
+        $query = RbacUsers::select()->where('USR_USERNAME', $username);
+        $result = $query->get()->values()->toArray();
+        if (empty($result)) {
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Verify if user exists
+     * 
+     * @param string $usrUid
+     * @return boolean
+     */
+    public static function verifyUserExists($usrUid)
+    {
+        $query = RbacUsers::select()->where('USR_UID', $usrUid);
+        if (empty($query->get()->values()->toArray())) {
+            return false;
+        }
+        return true;
+    }
 }
diff --git a/workflow/engine/src/ProcessMaker/Model/RbacUsersRoles.php b/workflow/engine/src/ProcessMaker/Model/RbacUsersRoles.php
index 73d61bca8..141af77e6 100644
--- a/workflow/engine/src/ProcessMaker/Model/RbacUsersRoles.php
+++ b/workflow/engine/src/ProcessMaker/Model/RbacUsersRoles.php
@@ -9,4 +9,19 @@ class RbacUsersRoles extends Model
     protected $table = 'RBAC_USERS_ROLES';
     public $timestamps = false;
 
+    /**
+     * Assign rol to user
+     * 
+     * @param string $userUid
+     * @param string $rolUid
+     * 
+     * @return void
+     */
+    public static function assignRolToUser($userUid, $rolUid)
+    {
+        RbacUsersRoles::insert([
+            'USR_UID' => $userUid,
+            'ROL_UID' => $rolUid
+        ]);
+    }
 }
diff --git a/workflow/engine/src/ProcessMaker/Model/User.php b/workflow/engine/src/ProcessMaker/Model/User.php
index f664a2d39..ca804b69d 100644
--- a/workflow/engine/src/ProcessMaker/Model/User.php
+++ b/workflow/engine/src/ProcessMaker/Model/User.php
@@ -31,6 +31,49 @@ class User extends Model
         return $this->belongsTo(GroupUser::class, 'USR_UID', 'USR_UID');
     }
 
+    /**
+     * Creates a user
+     * 
+     * @param array $data
+     * 
+     * @return integer
+     * @throws Exception
+     */
+    public static function createUser($data)
+    {
+        try {
+            $usrData = [
+                'USR_UID' => $data['USR_UID'],
+                'USR_USERNAME' => $data['USR_USERNAME'],
+                'USR_PASSWORD' => $data['USR_PASSWORD'],
+                'USR_FIRSTNAME' => $data['USR_FIRSTNAME'],
+                'USR_LASTNAME' => $data['USR_LASTNAME'],
+                'USR_EMAIL' => $data['USR_EMAIL'],
+                'USR_DUE_DATE' => $data['USR_DUE_DATE'],
+                'USR_CREATE_DATE' => $data['USR_CREATE_DATE'],
+                'USR_UPDATE_DATE' => $data['USR_UPDATE_DATE'],
+                'USR_STATUS' => $data['USR_STATUS'],
+                'USR_STATUS_ID' => $data['USR_STATUS_ID'],
+                'USR_COUNTRY' => $data['USR_COUNTRY'],
+                'USR_CITY' => $data['USR_CITY'],
+                'USR_LOCATION' => $data['USR_LOCATION'],
+                'USR_ADDRESS' => $data['USR_ADDRESS'],
+                'USR_PHONE' => $data['USR_PHONE'],
+                'USR_FAX' => $data['USR_FAX'],
+                'USR_CELLULAR' => $data['USR_CELLULAR'],
+                'USR_ZIP_CODE' => $data['USR_ZIP_CODE'],
+                'DEP_UID' => $data['DEP_UID'],
+                'USR_POSITION' => $data['USR_POSITION'],
+                'USR_RESUME' => $data['USR_RESUME'],
+                'USR_ROLE' => $data['ROL_CODE']
+            ];
+            $usrId = User::insertGetId($usrData);
+            return $usrId;
+        } catch(Exception $e) {
+            throw new Exception("Error: {$e->getMessage()}.");
+        }
+    }
+
     /**
      * Scope for query to get the user by USR_UID
      *