diff --git a/application/Espo/Core/Notificators/Base.php b/application/Espo/Core/Notificators/Base.php
index 5a62845020..9463502c72 100644
--- a/application/Espo/Core/Notificators/Base.php
+++ b/application/Espo/Core/Notificators/Base.php
@@ -92,11 +92,27 @@ class Base implements Injectable
 
     public function process(Entity $entity)
     {
-        if (!$entity->get('assignedUserId')) return;
-        if (!$entity->isAttributeChanged('assignedUserId')) return;
+        if ($entity->hasLinkMultipleField('assignedUsers')) {
+            $userIdList = $entity->getLinkMultipleIdList('assignedUsers');
+            $fetchedAssignedUserIdList = $entity->getFetched('assignedUsersIds');
+            if (!is_array($fetchedAssignedUserIdList)) {
+                $fetchedAssignedUserIdList = [];
+            }
 
-        $assignedUserId = $entity->get('assignedUserId');
+            foreach ($userIdList as $userId) {
+                if (in_array($userId, $fetchedAssignedUserIdList)) continue;
+                $this->processForUser($entity, $userId);
+            }
+        } else {
+            if (!$entity->get('assignedUserId')) return;
+            if (!$entity->isAttributeChanged('assignedUserId')) return;
+            $assignedUserId = $entity->get('assignedUserId');
+            $this->processForUser($entity, $assignedUserId);
+        }
+    }
 
+    protected function processForUser(Entity $entity, $assignedUserId)
+    {
         if ($entity->hasAttribute('createdById') && $entity->hasAttribute('modifiedById')) {
             if ($entity->isNew()) {
                 $isNotSelfAssignment = $assignedUserId !== $entity->get('createdById');
diff --git a/application/Espo/Hooks/Common/AssignmentEmailNotification.php b/application/Espo/Hooks/Common/AssignmentEmailNotification.php
index 8d9a028216..87ea099319 100644
--- a/application/Espo/Hooks/Common/AssignmentEmailNotification.php
+++ b/application/Espo/Hooks/Common/AssignmentEmailNotification.php
@@ -41,27 +41,49 @@ class AssignmentEmailNotification extends \Espo\Core\Hooks\Base
         if (
             $this->getConfig()->get('assignmentEmailNotifications')
             &&
-            $entity->has('assignedUserId')
+            (
+                $entity->has('assignedUserId')
+                ||
+                $entity->hasLinkMultipleField('assignedUsers') && $entity->has('assignedUsersIds')
+            )
             &&
             in_array($entity->getEntityType(), $this->getConfig()->get('assignmentEmailNotificationsEntityList', []))
         ) {
+            if ($entity->has('assignedUsersIds')) {
+                $userIdList = $entity->getLinkMultipleIdList('assignedUsers');
+                $fetchedAssignedUserIdList = $entity->getFetched('assignedUsersIds');
+                if (!is_array($fetchedAssignedUserIdList)) {
+                    $fetchedAssignedUserIdList = [];
+                }
 
-            $userId = $entity->get('assignedUserId');
-            if (!empty($userId) && $userId != $this->getUser()->id && $entity->isAttributeChanged('assignedUserId')) {
-                $job = $this->getEntityManager()->getEntity('Job');
-                $job->set(array(
-                    'serviceName' => 'EmailNotification',
-                    'methodName' => 'notifyAboutAssignmentJob',
-                    'data' => json_encode(array(
-                        'userId' => $userId,
-                        'assignerUserId' => $this->getUser()->id,
-                        'entityId' => $entity->id,
-                        'entityType' => $entity->getEntityType()
-                    )),
-                    'executeTime' => date('Y-m-d H:i:s'),
-                ));
-                $this->getEntityManager()->saveEntity($job);
+                foreach ($userIdList as $userId) {
+                    if (in_array($userId, $fetchedAssignedUserIdList)) continue;
+                    if ($this->getUser()->id === $userId) continue;
+                    $this->createJob($entity, $userId);
+                }
+            } else {
+                $userId = $entity->get('assignedUserId');
+                if (!empty($userId) && $userId != $this->getUser()->id && $entity->isAttributeChanged('assignedUserId')) {
+                    $this->createJob($entity, $userId);
+                }
             }
         }
     }
+
+    protected function createJob(Entity $entity, $userId)
+    {
+        $job = $this->getEntityManager()->getEntity('Job');
+        $job->set(array(
+            'serviceName' => 'EmailNotification',
+            'methodName' => 'notifyAboutAssignmentJob',
+            'data' => json_encode(array(
+                'userId' => $userId,
+                'assignerUserId' => $this->getUser()->id,
+                'entityId' => $entity->id,
+                'entityType' => $entity->getEntityType()
+            )),
+            'executeTime' => date('Y-m-d H:i:s'),
+        ));
+        $this->getEntityManager()->saveEntity($job);
+    }
 }
diff --git a/application/Espo/Hooks/Common/Notifications.php b/application/Espo/Hooks/Common/Notifications.php
index 8c659aaa3c..803b583d2b 100644
--- a/application/Espo/Hooks/Common/Notifications.php
+++ b/application/Espo/Hooks/Common/Notifications.php
@@ -92,7 +92,7 @@ class Notifications extends \Espo\Core\Hooks\Base
 
         $entityType = $entity->getEntityType();
 
-        if (!$this->checkHasStream($entityType)) {
+        if (!$this->checkHasStream($entityType) || $entity->hasLinkMultipleField('assignedUsers')) {
             if (in_array($entityType, $this->getConfig()->get('assignmentNotificationsEntityList', []))) {
                 $notificator = $this->getNotificator($entityType);
                 $notificator->process($entity);
diff --git a/application/Espo/Services/EmailNotification.php b/application/Espo/Services/EmailNotification.php
index 93bec04a21..73e2b1e6c2 100644
--- a/application/Espo/Services/EmailNotification.php
+++ b/application/Espo/Services/EmailNotification.php
@@ -121,43 +121,48 @@ class EmailNotification extends \Espo\Core\Services\Base
         $assignerUser = $this->getEntityManager()->getEntity('User', $assignerUserId);
         $entity = $this->getEntityManager()->getEntity($entityType, $entityId);
 
-        if ($entity && $assignerUser && $entity->get('assignedUserId') == $userId) {
-            $emailAddress = $user->get('emailAddress');
-            if (!empty($emailAddress)) {
-                $email = $this->getEntityManager()->getEntity('Email');
+        if (!$entity) return true;
+        if (!$assignerUser) return true;
 
-                $subjectTpl = $this->getTemplateFileManager()->getTemplate('assignment', 'subject', $entity->getEntityType());
-                $bodyTpl = $this->getTemplateFileManager()->getTemplate('assignment', 'body', $entity->getEntityType());
+        if (!$entity->hasLinkMultipleField('assignedUsers')) {
+            if ($entity->get('assignedUserId') !== $userId) return true;
+        }
 
-                $subjectTpl = str_replace(array("\n", "\r"), '', $subjectTpl);
+        $emailAddress = $user->get('emailAddress');
+        if (!empty($emailAddress)) {
+            $email = $this->getEntityManager()->getEntity('Email');
 
-                $recordUrl = rtrim($this->getConfig()->get('siteUrl'), '/') . '/#' . $entity->getEntityType() . '/view/' . $entity->id;
+            $subjectTpl = $this->getTemplateFileManager()->getTemplate('assignment', 'subject', $entity->getEntityType());
+            $bodyTpl = $this->getTemplateFileManager()->getTemplate('assignment', 'body', $entity->getEntityType());
 
-                $data = array(
-                    'userName' => $user->get('name'),
-                    'assignerUserName' => $assignerUser->get('name'),
-                    'recordUrl' => $recordUrl,
-                    'entityType' => $this->getLanguage()->translate($entity->getEntityType(), 'scopeNames')
-                );
-                $data['entityTypeLowerFirst'] = lcfirst($data['entityType']);
+            $subjectTpl = str_replace(array("\n", "\r"), '', $subjectTpl);
 
-                $subject = $this->getHtmlizer()->render($entity, $subjectTpl, 'assignment-email-subject-' . $entity->getEntityType(), $data, true);
-                $body = $this->getHtmlizer()->render($entity, $bodyTpl, 'assignment-email-body-' . $entity->getEntityType(), $data, true);
+            $recordUrl = rtrim($this->getConfig()->get('siteUrl'), '/') . '/#' . $entity->getEntityType() . '/view/' . $entity->id;
 
-                $email->set(array(
-                    'subject' => $subject,
-                    'body' => $body,
-                    'isHtml' => true,
-                    'to' => $emailAddress,
-                    'isSystem' => true,
-                    'parentId' => $entity->id,
-                    'parentType' => $entity->getEntityType()
-                ));
-                try {
-                    $this->getMailSender()->send($email);
-                } catch (\Exception $e) {
-                    $GLOBALS['log']->error('EmailNotification: [' . $e->getCode() . '] ' .$e->getMessage());
-                }
+            $data = array(
+                'userName' => $user->get('name'),
+                'assignerUserName' => $assignerUser->get('name'),
+                'recordUrl' => $recordUrl,
+                'entityType' => $this->getLanguage()->translate($entity->getEntityType(), 'scopeNames')
+            );
+            $data['entityTypeLowerFirst'] = lcfirst($data['entityType']);
+
+            $subject = $this->getHtmlizer()->render($entity, $subjectTpl, 'assignment-email-subject-' . $entity->getEntityType(), $data, true);
+            $body = $this->getHtmlizer()->render($entity, $bodyTpl, 'assignment-email-body-' . $entity->getEntityType(), $data, true);
+
+            $email->set(array(
+                'subject' => $subject,
+                'body' => $body,
+                'isHtml' => true,
+                'to' => $emailAddress,
+                'isSystem' => true,
+                'parentId' => $entity->id,
+                'parentType' => $entity->getEntityType()
+            ));
+            try {
+                $this->getMailSender()->send($email);
+            } catch (\Exception $e) {
+                $GLOBALS['log']->error('EmailNotification: [' . $e->getCode() . '] ' .$e->getMessage());
             }
         }
 
diff --git a/client/src/views/settings/fields/assignment-notifications-entity-list.js b/client/src/views/settings/fields/assignment-notifications-entity-list.js
index 859a20f4fd..3cd2e86d57 100644
--- a/client/src/views/settings/fields/assignment-notifications-entity-list.js
+++ b/client/src/views/settings/fields/assignment-notifications-entity-list.js
@@ -33,8 +33,14 @@ Espo.define('views/settings/fields/assignment-notifications-entity-list', 'views
 
             this.params.options = Object.keys(this.getMetadata().get('scopes')).filter(function (scope) {
                 if (this.getMetadata().get('scopes.' + scope + '.disabled')) return;
+
+                if (
+                    this.getMetadata().get(['scopes', scope, 'stream'])
+                    &&
+                    !this.getMetadata().get(['entityDefs', scope, 'fields', 'assignedUsers'])
+                ) return;
+
                 return this.getMetadata().get('scopes.' + scope + '.notifications') &&
-                       !this.getMetadata().get('scopes.' + scope + '.stream') &&
                        this.getMetadata().get('scopes.' + scope + '.entity');
             }, this).sort(function (v1, v2) {
                 return this.translate(v1, 'scopeNamesPlural').localeCompare(this.translate(v2, 'scopeNamesPlural'));