diff --git a/application/Espo/Core/Formula/Functions/RecordGroup/RelateType.php b/application/Espo/Core/Formula/Functions/RecordGroup/RelateType.php
new file mode 100644
index 0000000000..62d56b471f
--- /dev/null
+++ b/application/Espo/Core/Formula/Functions/RecordGroup/RelateType.php
@@ -0,0 +1,69 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM - Open Source CRM application.
+ * Copyright (C) 2014-2019 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * EspoCRM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * EspoCRM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\RecordGroup;
+
+use Espo\Core\Exceptions\Error;
+
+class RelateType extends \Espo\Core\Formula\Functions\Base
+{
+    protected function init()
+    {
+        $this->addDependency('entityManager');
+    }
+
+    public function process(\StdClass $item)
+    {
+        $args = $item->value ?? [];
+
+        if (count($args) < 4) throw new Error("Formula: record\\relate: Not enough arguments.");
+
+        $entityType = $this->evaluate($args[0]);
+        $id = $this->evaluate($args[1]);
+        $link = $this->evaluate($item->value[2]);
+        $foreignId = $this->evaluate($item->value[3]);
+
+        if (!$entityType) throw new Error("Formula record\\relate: Empty entityType.");
+        if (!$id) return null;
+        if (!$link) throw new Error("Formula record\\relate: Empty link.");
+        if (!$foreignId) return null;
+
+        $em = $this->getInjection('entityManager');
+
+        if (!$em->hasRepository($entityType)) throw new Error("Formula: record\\relate: Repository does not exist.");
+
+        $entity = $em->getEntity($entityType, $id);
+        if (!$entity) return null;
+
+        if ($em->getRepository($entityType)->isRelated($entity, $link, $foreignId)) 
+            return true;
+
+        return $em->getRepository($entityType)->relate($entity, $link, $foreignId);
+    }
+}
diff --git a/application/Espo/Core/Formula/Functions/RecordGroup/UnrelateType.php b/application/Espo/Core/Formula/Functions/RecordGroup/UnrelateType.php
new file mode 100644
index 0000000000..08eb619589
--- /dev/null
+++ b/application/Espo/Core/Formula/Functions/RecordGroup/UnrelateType.php
@@ -0,0 +1,69 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM - Open Source CRM application.
+ * Copyright (C) 2014-2019 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * EspoCRM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * EspoCRM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\RecordGroup;
+
+use Espo\Core\Exceptions\Error;
+
+class UnrelateType extends \Espo\Core\Formula\Functions\Base
+{
+    protected function init()
+    {
+        $this->addDependency('entityManager');
+    }
+
+    public function process(\StdClass $item)
+    {
+        $args = $item->value ?? [];
+
+        if (count($args) < 4) throw new Error("Formula: record\\unrelate: Not enough arguments.");
+
+        $entityType = $this->evaluate($args[0]);
+        $id = $this->evaluate($args[1]);
+        $link = $this->evaluate($item->value[2]);
+        $foreignId = $this->evaluate($item->value[3]);
+
+        if (!$entityType) throw new Error("Formula record\\unrelate: Empty entityType.");
+        if (!$id) return null;
+        if (!$link) throw new Error("Formula record\\unrelate: Empty link.");
+        if (!$foreignId) return null;
+
+        $em = $this->getInjection('entityManager');
+
+        if (!$em->hasRepository($entityType)) throw new Error("Formula: record\\unrelate: Repository does not exist.");
+
+        $entity = $em->getEntity($entityType, $id);
+        if (!$entity) return null;
+
+        if (!$em->getRepository($entityType)->isRelated($entity, $link, $foreignId)) 
+            return true;
+
+        return $em->getRepository($entityType)->unrelate($entity, $link, $foreignId);
+    }
+}
diff --git a/tests/integration/Espo/Core/Formula/FormulaTest.php b/tests/integration/Espo/Core/Formula/FormulaTest.php
index d0d9de22bb..2e8c7983e0 100644
--- a/tests/integration/Espo/Core/Formula/FormulaTest.php
+++ b/tests/integration/Espo/Core/Formula/FormulaTest.php
@@ -377,4 +377,44 @@ class FormulaTest extends \tests\integration\Core\BaseTestCase
         $result = $fm->run($script, $lead);
         $this->assertFalse($result);
     }
+
+    public function testRecordRelate()
+    {
+        $fm = $this->getContainer()->get('formulaManager');
+        $em = $this->getContainer()->get('entityManager');
+
+        $a = $em->createEntity('Account', [
+            'name' => '1',
+        ]);
+        $o = $em->createEntity('Opportunity', [
+            'name' => '1',
+        ]);
+
+        $script = "record\\relate('Account', '".$a->id."', 'opportunities', '".$o->id."')";
+        $result = $fm->run($script, $contact);
+
+        $this->assertTrue($result);
+        $this->assertTrue($em->getRepository('Account')->isRelated($a, 'opportunities', $o));
+    }
+
+    public function testRecordUnrelate()
+    {
+        $fm = $this->getContainer()->get('formulaManager');
+        $em = $this->getContainer()->get('entityManager');
+
+        $a = $em->createEntity('Account', [
+            'name' => '1',
+        ]);
+        $o = $em->createEntity('Opportunity', [
+            'name' => '1',
+        ]);
+
+        $em->getRepository('Account')->relate($a, 'opportunities', $o);
+
+        $script = "record\\unrelate('Account', '".$a->id."', 'opportunities', '".$o->id."')";
+        $result = $fm->run($script, $contact);
+
+        $this->assertTrue($result);
+        $this->assertFalse($em->getRepository('Account')->isRelated($a, 'opportunities', $o));
+    }
 }