diff --git a/erpnext/hr/doctype/training_event/training_event.js b/erpnext/hr/doctype/training_event/training_event.js
index 12bc920..b7d34b1 100644
--- a/erpnext/hr/doctype/training_event/training_event.js
+++ b/erpnext/hr/doctype/training_event/training_event.js
@@ -2,23 +2,41 @@
 // For license information, please see license.txt
 
 frappe.ui.form.on('Training Event', {
-	onload_post_render: function(frm) {
+	onload_post_render: function (frm) {
 		frm.get_field("employees").grid.set_multiple_add("employee");
 	},
-	refresh: function(frm) {
-		if(!frm.doc.__islocal) {
-			frm.add_custom_button(__("Training Result"), function() {
+	refresh: function (frm) {
+		if (!frm.doc.__islocal) {
+			frm.add_custom_button(__("Training Result"), function () {
 				frappe.route_options = {
 					training_event: frm.doc.name
-				}
+				};
 				frappe.set_route("List", "Training Result");
 			});
-			frm.add_custom_button(__("Training Feedback"), function() {
+			frm.add_custom_button(__("Training Feedback"), function () {
 				frappe.route_options = {
 					training_event: frm.doc.name
-				}
+				};
 				frappe.set_route("List", "Training Feedback");
 			});
 		}
 	}
 });
+
+frappe.ui.form.on("Training Event Employee", {
+	employee: function (frm) {
+		let emp = [];
+		for (let d in frm.doc.employees) {
+			if (frm.doc.employees[d].employee) {
+				emp.push(frm.doc.employees[d].employee);
+			}
+		}
+		frm.set_query("employee", "employees", function () {
+			return {
+				filters: {
+					name: ["NOT IN", emp]
+				}
+			};
+		});
+	}
+});
diff --git a/erpnext/hr/doctype/training_event_employee/training_event_employee.json b/erpnext/hr/doctype/training_event_employee/training_event_employee.json
index e3a4064..2d313e9 100644
--- a/erpnext/hr/doctype/training_event_employee/training_event_employee.json
+++ b/erpnext/hr/doctype/training_event_employee/training_event_employee.json
@@ -1,241 +1,80 @@
 {
- "allow_copy": 0, 
- "allow_events_in_timeline": 0, 
- "allow_guest_to_view": 0, 
- "allow_import": 0, 
- "allow_rename": 0, 
- "beta": 0, 
- "creation": "2016-08-08 05:33:39.965305", 
- "custom": 0, 
- "docstatus": 0, 
- "doctype": "DocType", 
- "document_type": "", 
- "editable_grid": 1, 
+ "actions": [],
+ "creation": "2016-08-08 05:33:39.965305",
+ "doctype": "DocType",
+ "editable_grid": 1,
+ "engine": "InnoDB",
+ "field_order": [
+  "employee",
+  "employee_name",
+  "department",
+  "column_break_3",
+  "status",
+  "attendance",
+  "is_mandatory"
+ ],
  "fields": [
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "employee", 
-   "fieldtype": "Link", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 1, 
-   "in_standard_filter": 0, 
-   "label": "Employee", 
-   "length": 0, 
-   "no_copy": 0, 
-   "options": "Employee", 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "employee",
+   "fieldtype": "Link",
+   "in_list_view": 1,
+   "label": "Employee",
+   "options": "Employee"
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fetch_from": "employee.employee_name", 
-   "fieldname": "employee_name", 
-   "fieldtype": "Read Only", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "label": "Employee Name", 
-   "length": 0, 
-   "no_copy": 0, 
-   "options": "", 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fetch_from": "employee.employee_name",
+   "fieldname": "employee_name",
+   "fieldtype": "Read Only",
+   "label": "Employee Name"
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fetch_from": "employee.department", 
-   "fieldname": "department", 
-   "fieldtype": "Link", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "label": "Department", 
-   "length": 0, 
-   "no_copy": 0, 
-   "options": "Department", 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 1, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fetch_from": "employee.department",
+   "fieldname": "department",
+   "fieldtype": "Link",
+   "label": "Department",
+   "options": "Department",
+   "read_only": 1
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "column_break_3", 
-   "fieldtype": "Column Break", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "column_break_3",
+   "fieldtype": "Column Break"
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 1, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "default": "Open", 
-   "fieldname": "status", 
-   "fieldtype": "Select", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 1, 
-   "in_standard_filter": 0, 
-   "label": "Status", 
-   "length": 0, 
-   "no_copy": 1, 
-   "options": "Open\nInvited\nCompleted\nFeedback Submitted", 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "allow_on_submit": 1,
+   "default": "Open",
+   "fieldname": "status",
+   "fieldtype": "Select",
+   "in_list_view": 1,
+   "label": "Status",
+   "no_copy": 1,
+   "options": "Open\nInvited\nCompleted\nFeedback Submitted"
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "attendance", 
-   "fieldtype": "Select", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 1, 
-   "in_standard_filter": 0, 
-   "label": "Attendance", 
-   "length": 0, 
-   "no_copy": 0, 
-   "options": "Mandatory\nOptional", 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
+   "fieldname": "attendance",
+   "fieldtype": "Select",
+   "in_list_view": 1,
+   "label": "Attendance",
+   "options": "Present\nAbsent"
+  },
+  {
+   "columns": 2,
+   "default": "1",
+   "fieldname": "is_mandatory",
+   "fieldtype": "Check",
+   "in_list_view": 1,
+   "label": "Is Mandatory"
   }
- ], 
- "has_web_view": 0, 
- "hide_heading": 0, 
- "hide_toolbar": 0, 
- "idx": 0, 
- "image_view": 0, 
- "in_create": 0, 
- "is_submittable": 0, 
- "issingle": 0, 
- "istable": 1, 
- "max_attachments": 0, 
- "modified": "2019-01-30 11:28:16.170333", 
- "modified_by": "Administrator", 
- "module": "HR", 
- "name": "Training Event Employee", 
- "name_case": "", 
- "owner": "Administrator", 
- "permissions": [], 
- "quick_entry": 1, 
- "read_only": 0, 
- "read_only_onload": 0, 
- "show_name_in_global_search": 0, 
- "sort_field": "modified", 
- "sort_order": "DESC", 
- "track_changes": 0, 
- "track_seen": 0, 
- "track_views": 0
+ ],
+ "index_web_pages_for_search": 1,
+ "istable": 1,
+ "links": [],
+ "modified": "2021-05-21 12:41:59.336237",
+ "modified_by": "Administrator",
+ "module": "HR",
+ "name": "Training Event Employee",
+ "owner": "Administrator",
+ "permissions": [],
+ "quick_entry": 1,
+ "sort_field": "modified",
+ "sort_order": "DESC"
 }
\ No newline at end of file
diff --git a/erpnext/hr/notification/training_scheduled/training_scheduled.json b/erpnext/hr/notification/training_scheduled/training_scheduled.json
index 966b887..e49541e 100644
--- a/erpnext/hr/notification/training_scheduled/training_scheduled.json
+++ b/erpnext/hr/notification/training_scheduled/training_scheduled.json
@@ -11,16 +11,18 @@
  "event": "Submit",
  "idx": 0,
  "is_standard": 1,
- "message": "<table class=\"panel-header\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\">\n    <tr height=\"10\"></tr>\n    <tr>\n        <td width=\"15\"></td>\n        <td>\n            <div class=\"text-medium text-muted\">\n                <span>{{_(\"Training Event:\")}} {{ doc.event_name }}</span>\n            </div>\n        </td>\n        <td width=\"15\"></td>\n    </tr>\n    <tr height=\"10\"></tr>\n</table>\n\n<table class=\"panel-body\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\">\n    <tr height=\"10\"></tr>\n    <tr>\n        <td width=\"15\"></td>\n        <td>\n            <div>\n                <ul class=\"list-unstyled\" style=\"line-height: 1.7\">\n                    <li>{{ doc.introduction }}</li>\n                    <li>{{_(\"Event Location\")}}: <b>{{ doc.location }}</b></li>\n                    {% set start = frappe.utils.get_datetime(doc.start_time) %}\n                    {% set end = frappe.utils.get_datetime(doc.end_time) %}\n                    {% if start.date() == end.date() %}\n                    <li>{{_(\"Date\")}}: <b>{{ start.strftime(\"%A, %d %b %Y\") }}</b></li>\n                    <li>\n                        {{_(\"Timing\")}}: <b>{{ start.strftime(\"%I:%M %p\") + ' to ' + end.strftime(\"%I:%M %p\") }}</b>\n                    </li>\n                    {% else %}\n                    <li>{{_(\"Start Time\")}}: <b>{{ start.strftime(\"%A, %d %b %Y at %I:%M %p\") }}</b>\n                    </li>\n                    <li>{{_(\"End Time\")}}: <b>{{ end.strftime(\"%A, %d %b %Y at %I:%M %p\") }}</b>\n                    </li>\n                    {% endif %}\n                </ul>\n                {{ _('Event Link') }}: {{ frappe.utils.get_link_to_form(doc.doctype, doc.name) }}\n            </div>\n        </td>\n        <td width=\"15\"></td>\n    </tr>\n    <tr height=\"10\"></tr>\n</table>",
- "modified": "2019-11-29 15:38:31.805409",
+ "message": "<table class=\"panel-header\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\">\n    <tr height=\"10\"></tr>\n    <tr>\n        <td width=\"15\"></td>\n        <td>\n            <div class=\"text-medium text-muted\">\n                <span>{{_(\"Training Event:\")}} {{ doc.event_name }}</span>\n            </div>\n        </td>\n        <td width=\"15\"></td>\n    </tr>\n    <tr height=\"10\"></tr>\n</table>\n\n<table class=\"panel-body\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\">\n    <tr height=\"10\"></tr>\n    <tr>\n        <td width=\"15\"></td>\n        <td>\n            <div>\n                {{ doc.introduction }}\n                <ul class=\"list-unstyled\" style=\"line-height: 1.7\">\n                    <li>{{_(\"Event Location\")}}: <b>{{ doc.location }}</b></li>\n                    {% set start = frappe.utils.get_datetime(doc.start_time) %}\n                    {% set end = frappe.utils.get_datetime(doc.end_time) %}\n                    {% if start.date() == end.date() %}\n                    <li>{{_(\"Date\")}}: <b>{{ start.strftime(\"%A, %d %b %Y\") }}</b></li>\n                    <li>\n                        {{_(\"Timing\")}}: <b>{{ start.strftime(\"%I:%M %p\") + ' to ' + end.strftime(\"%I:%M %p\") }}</b>\n                    </li>\n                    {% else %}\n                    <li>{{_(\"Start Time\")}}: <b>{{ start.strftime(\"%A, %d %b %Y at %I:%M %p\") }}</b>\n                    </li>\n                    <li>{{_(\"End Time\")}}: <b>{{ end.strftime(\"%A, %d %b %Y at %I:%M %p\") }}</b>\n                    </li>\n                    {% endif %}\n                    <li>{{ _('Event Link') }}: {{ frappe.utils.get_link_to_form(doc.doctype, doc.name) }}</li>\n                    {% if doc.is_mandatory %}\n                    <li>Note: This Training Event is mandatory</li>\n                    {% endif %}\n                </ul>\n            </div>\n        </td>\n        <td width=\"15\"></td>\n    </tr>\n    <tr height=\"10\"></tr>\n</table>",
+ "modified": "2021-05-24 16:29:13.165930",
  "modified_by": "Administrator",
  "module": "HR",
  "name": "Training Scheduled",
  "owner": "Administrator",
  "recipients": [
   {
-   "email_by_document_field": "employee_emails"
+   "receiver_by_document_field": "employee_emails"
   }
  ],
+ "send_system_notification": 0,
+ "send_to_all_assignees": 0,
  "subject": "Training Scheduled: {{ doc.name }}"
 }
\ No newline at end of file
diff --git a/erpnext/hr/notification/training_scheduled/training_scheduled.md b/erpnext/hr/notification/training_scheduled/training_scheduled.md
index 374038a..418fd49 100644
--- a/erpnext/hr/notification/training_scheduled/training_scheduled.md
+++ b/erpnext/hr/notification/training_scheduled/training_scheduled.md
@@ -35,6 +35,9 @@
                     </li>
                     {% endif %}
                     <li>{{ _('Event Link') }}: {{ frappe.utils.get_link_to_form(doc.doctype, doc.name) }}</li>
+                    {% if doc.is_mandatory %}
+                    <li>Note: This Training Event is mandatory</li>
+                    {% endif %}
                 </ul>
             </div>
         </td>
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index d4655e1..1e8ce3c 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -780,3 +780,4 @@
 erpnext.patches.v13_0.germany_fill_debtor_creditor_number
 erpnext.patches.v13_0.set_pos_closing_as_failed
 erpnext.patches.v13_0.update_timesheet_changes
+erpnext.patches.v13_0.set_training_event_attendance
diff --git a/erpnext/patches/v13_0/set_training_event_attendance.py b/erpnext/patches/v13_0/set_training_event_attendance.py
new file mode 100644
index 0000000..18cad8d
--- /dev/null
+++ b/erpnext/patches/v13_0/set_training_event_attendance.py
@@ -0,0 +1,9 @@
+from __future__ import unicode_literals
+import frappe
+
+def execute():
+    frappe.reload_doc('hr', 'doctype', 'training_event')
+    frappe.reload_doc('hr', 'doctype', 'training_event_employee')
+
+    frappe.db.sql("update `tabTraining Event Employee` set `attendance` = 'Present'")
+    frappe.db.sql("update `tabTraining Event Employee` set `is_mandatory` = 1 where `attendance` = 'Mandatory'")
\ No newline at end of file