diff --git a/enrol/cohort/lib.php b/enrol/cohort/lib.php
index 179671e122c42..7c1eef26803a4 100644
--- a/enrol/cohort/lib.php
+++ b/enrol/cohort/lib.php
@@ -236,7 +236,9 @@ public function get_user_enrolment_actions(course_enrolment_manager $manager, $u
         $params['ue'] = $ue->id;
         if ($this->allow_unenrol_user($instance, $ue) && has_capability('enrol/cohort:unenrol', $context)) {
             $url = new moodle_url('/enrol/unenroluser.php', $params);
-            $actions[] = new user_enrolment_action(new pix_icon('t/delete', ''), get_string('unenrol', 'enrol'), $url, array('class'=>'unenrollink', 'rel'=>$ue->id));
+            $actionparams = array('class' => 'unenrollink', 'rel' => $ue->id, 'data-action' => ENROL_ACTION_UNENROL);
+            $actions[] = new user_enrolment_action(new pix_icon('t/delete', ''), get_string('unenrol', 'enrol'), $url,
+                $actionparams);
         }
         return $actions;
     }
diff --git a/enrol/database/lib.php b/enrol/database/lib.php
index b21578e5fc2ea..890942a47bfe4 100644
--- a/enrol/database/lib.php
+++ b/enrol/database/lib.php
@@ -97,7 +97,9 @@ public function get_user_enrolment_actions(course_enrolment_manager $manager, $u
         $params['ue'] = $ue->id;
         if ($this->allow_unenrol_user($instance, $ue) && has_capability('enrol/database:unenrol', $context)) {
             $url = new moodle_url('/enrol/unenroluser.php', $params);
-            $actions[] = new user_enrolment_action(new pix_icon('t/delete', ''), get_string('unenrol', 'enrol'), $url, array('class'=>'unenrollink', 'rel'=>$ue->id));
+            $actionparams = array('class' => 'unenrollink', 'rel' => $ue->id, 'data-action' => ENROL_ACTION_UNENROL);
+            $actions[] = new user_enrolment_action(new pix_icon('t/delete', ''), get_string('unenrol', 'enrol'), $url,
+                $actionparams);
         }
         return $actions;
     }
diff --git a/enrol/flatfile/lib.php b/enrol/flatfile/lib.php
index 4bff2a9939a52..498584819bbad 100644
--- a/enrol/flatfile/lib.php
+++ b/enrol/flatfile/lib.php
@@ -132,11 +132,14 @@ public function get_user_enrolment_actions(course_enrolment_manager $manager, $u
         $params['ue'] = $ue->id;
         if ($this->allow_unenrol_user($instance, $ue) && has_capability("enrol/flatfile:unenrol", $context)) {
             $url = new moodle_url('/enrol/unenroluser.php', $params);
-            $actions[] = new user_enrolment_action(new pix_icon('t/delete', ''), get_string('unenrol', 'enrol'), $url, array('class'=>'unenrollink', 'rel'=>$ue->id));
+            $actionparams = array('class' => 'unenrollink', 'rel' => $ue->id, 'data-action' => ENROL_ACTION_UNENROL);
+            $actions[] = new user_enrolment_action(new pix_icon('t/delete', ''), get_string('unenrol', 'enrol'), $url,
+                $actionparams);
         }
         if ($this->allow_manage($instance) && has_capability("enrol/flatfile:manage", $context)) {
             $url = new moodle_url('/enrol/editenrolment.php', $params);
-            $actions[] = new user_enrolment_action(new pix_icon('t/edit', ''), get_string('edit'), $url, array('class'=>'editenrollink', 'rel'=>$ue->id));
+            $actionparams = array('class' => 'editenrollink', 'rel' => $ue->id, 'data-action' => ENROL_ACTION_EDIT);
+            $actions[] = new user_enrolment_action(new pix_icon('t/edit', ''), get_string('edit'), $url, $actionparams);
         }
         return $actions;
     }
diff --git a/enrol/lti/lib.php b/enrol/lti/lib.php
index 1377b19781527..0edfbfbdcac2e 100644
--- a/enrol/lti/lib.php
+++ b/enrol/lti/lib.php
@@ -392,13 +392,14 @@ public function get_user_enrolment_actions(course_enrolment_manager $manager, $u
         $params['ue'] = $ue->id;
         if ($this->allow_unenrol_user($instance, $ue) && has_capability("enrol/lti:unenrol", $context)) {
             $url = new moodle_url('/enrol/unenroluser.php', $params);
+            $actionparams = array('class' => 'unenrollink', 'rel' => $ue->id, 'data-action' => ENROL_ACTION_UNENROL);
             $actions[] = new user_enrolment_action(new pix_icon('t/delete', ''), get_string('unenrol', 'enrol'), $url,
-                array('class' => 'unenrollink', 'rel' => $ue->id));
+                $actionparams);
         }
         if ($this->allow_manage($instance) && has_capability("enrol/lti:manage", $context)) {
             $url = new moodle_url('/enrol/editenrolment.php', $params);
-            $actions[] = new user_enrolment_action(new pix_icon('t/edit', ''), get_string('edit'), $url,
-                array('class' => 'editenrollink', 'rel' => $ue->id));
+            $actionparams = array('class' => 'editenrollink', 'rel' => $ue->id, 'data-action' => ENROL_ACTION_EDIT);
+            $actions[] = new user_enrolment_action(new pix_icon('t/edit', ''), get_string('edit'), $url, $actionparams);
         }
         return $actions;
     }
diff --git a/enrol/manual/lib.php b/enrol/manual/lib.php
index 1eef9b01cbb13..c71c246705043 100644
--- a/enrol/manual/lib.php
+++ b/enrol/manual/lib.php
@@ -376,11 +376,14 @@ public function get_user_enrolment_actions(course_enrolment_manager $manager, $u
         $params['ue'] = $ue->id;
         if ($this->allow_unenrol_user($instance, $ue) && has_capability("enrol/manual:unenrol", $context)) {
             $url = new moodle_url('/enrol/unenroluser.php', $params);
-            $actions[] = new user_enrolment_action(new pix_icon('t/delete', ''), get_string('unenrol', 'enrol'), $url, array('class'=>'unenrollink', 'rel'=>$ue->id));
+            $actionparams = array('class' => 'unenrollink', 'rel' => $ue->id, 'data-action' => ENROL_ACTION_UNENROL);
+            $actions[] = new user_enrolment_action(new pix_icon('t/delete', ''), get_string('unenrol', 'enrol'), $url,
+                $actionparams);
         }
         if ($this->allow_manage($instance) && has_capability("enrol/manual:manage", $context)) {
             $url = new moodle_url('/enrol/editenrolment.php', $params);
-            $actions[] = new user_enrolment_action(new pix_icon('t/edit', ''), get_string('edit'), $url, array('class'=>'editenrollink', 'rel'=>$ue->id));
+            $actionparams = array('class' => 'editenrollink', 'rel' => $ue->id, 'data-action' => ENROL_ACTION_EDIT);
+            $actions[] = new user_enrolment_action(new pix_icon('t/edit', ''), get_string('edit'), $url, $actionparams);
         }
         return $actions;
     }
diff --git a/enrol/meta/lib.php b/enrol/meta/lib.php
index 1415f57010d59..0b6bfd0171e44 100644
--- a/enrol/meta/lib.php
+++ b/enrol/meta/lib.php
@@ -110,7 +110,9 @@ public function get_user_enrolment_actions(course_enrolment_manager $manager, $u
         $params['ue'] = $ue->id;
         if ($this->allow_unenrol_user($instance, $ue) && has_capability('enrol/meta:unenrol', $context)) {
             $url = new moodle_url('/enrol/unenroluser.php', $params);
-            $actions[] = new user_enrolment_action(new pix_icon('t/delete', ''), get_string('unenrol', 'enrol'), $url, array('class'=>'unenrollink', 'rel'=>$ue->id));
+            $actionparams = array('class' => 'unenrollink', 'rel' => $ue->id, 'data-action' => ENROL_ACTION_UNENROL);
+            $actions[] = new user_enrolment_action(new pix_icon('t/delete', ''), get_string('unenrol', 'enrol'), $url,
+                $actionparams);
         }
         return $actions;
     }
diff --git a/enrol/paypal/lib.php b/enrol/paypal/lib.php
index 87ecfe56ee8db..7ec6722175bf5 100644
--- a/enrol/paypal/lib.php
+++ b/enrol/paypal/lib.php
@@ -291,11 +291,14 @@ public function get_user_enrolment_actions(course_enrolment_manager $manager, $u
         $params['ue'] = $ue->id;
         if ($this->allow_unenrol($instance) && has_capability("enrol/paypal:unenrol", $context)) {
             $url = new moodle_url('/enrol/unenroluser.php', $params);
-            $actions[] = new user_enrolment_action(new pix_icon('t/delete', ''), get_string('unenrol', 'enrol'), $url, array('class'=>'unenrollink', 'rel'=>$ue->id));
+            $actionparams = array('class' => 'unenrollink', 'rel' => $ue->id, 'data-action' => ENROL_ACTION_UNENROL);
+            $actions[] = new user_enrolment_action(new pix_icon('t/delete', ''), get_string('unenrol', 'enrol'), $url,
+                $actionparams);
         }
         if ($this->allow_manage($instance) && has_capability("enrol/paypal:manage", $context)) {
             $url = new moodle_url('/enrol/editenrolment.php', $params);
-            $actions[] = new user_enrolment_action(new pix_icon('t/edit', ''), get_string('edit'), $url, array('class'=>'editenrollink', 'rel'=>$ue->id));
+            $actionparams = array('class' => 'editenrollink', 'rel' => $ue->id, 'data-action' => ENROL_ACTION_EDIT);
+            $actions[] = new user_enrolment_action(new pix_icon('t/edit', ''), get_string('edit'), $url, $actionparams);
         }
         return $actions;
     }
diff --git a/enrol/self/lib.php b/enrol/self/lib.php
index 90be25aac530f..3519f76fe1166 100644
--- a/enrol/self/lib.php
+++ b/enrol/self/lib.php
@@ -536,11 +536,14 @@ public function get_user_enrolment_actions(course_enrolment_manager $manager, $u
         $params['ue'] = $ue->id;
         if ($this->allow_unenrol($instance) && has_capability("enrol/self:unenrol", $context)) {
             $url = new moodle_url('/enrol/unenroluser.php', $params);
-            $actions[] = new user_enrolment_action(new pix_icon('t/delete', ''), get_string('unenrol', 'enrol'), $url, array('class'=>'unenrollink', 'rel'=>$ue->id));
+            $actionparams = array('class' => 'unenrollink', 'rel' => $ue->id, 'data-action' => ENROL_ACTION_UNENROL);
+            $actions[] = new user_enrolment_action(new pix_icon('t/delete', ''), get_string('unenrol', 'enrol'), $url,
+                $actionparams);
         }
         if ($this->allow_manage($instance) && has_capability("enrol/self:manage", $context)) {
             $url = new moodle_url('/enrol/editenrolment.php', $params);
-            $actions[] = new user_enrolment_action(new pix_icon('t/edit', ''), get_string('edit'), $url, array('class'=>'editenrollink', 'rel'=>$ue->id));
+            $actionparams = array('class' => 'editenrollink', 'rel' => $ue->id, 'data-action' => ENROL_ACTION_EDIT);
+            $actions[] = new user_enrolment_action(new pix_icon('t/edit', ''), get_string('edit'), $url, $actionparams);
         }
         return $actions;
     }
diff --git a/lib/enrollib.php b/lib/enrollib.php
index 7995e77e6c2cb..93f67dc289011 100644
--- a/lib/enrollib.php
+++ b/lib/enrollib.php
@@ -87,6 +87,12 @@
  */
 define('ENROL_SEND_EMAIL_FROM_NOREPLY', 3);
 
+/** Edit enrolment action. */
+define('ENROL_ACTION_EDIT', 'editenrolment');
+
+/** Unenrol action. */
+define('ENROL_ACTION_UNENROL', 'unenrol');
+
 /**
  * Returns instances of enrol plugins
  * @param bool $enabled return enabled only
diff --git a/lib/upgrade.txt b/lib/upgrade.txt
index ef21b435245e4..ea0eace1434fa 100644
--- a/lib/upgrade.txt
+++ b/lib/upgrade.txt
@@ -25,6 +25,13 @@ information provided here is intended especially for developers.
   every form. The method should accept a single parameter with the submitted value. It should return a string with the
   eventual validation error, or an empty value if the validation passes.
 * New user_picture attribute $includefullname to determine whether to include the user's full name with the user's picture.
+* Enrol plugins which provide enrolment actions can now declare the following "data-action" attributes in their implementation of
+  enrol_plugin::get_user_enrolment_actions() whenever applicable:
+  * "editenrolment" - For editing a user'e enrolment details. Defined by constant ENROL_ACTION_EDIT.
+  * "unenrol" - For unenrolling a student. Defined by constant ENROL_ACTION_UNENROL.
+  These attributes enable enrol actions to be rendered via modals. If not added, clicking on the enrolment action buttons will still
+  redirect the user to the appropriate enrolment action page. Though optional, it is recommended to add these attributes for a
+  better user experience when performing enrol actions.
 
 === 3.3.1 ===