diff --git a/client/src/dynamic-handler.js b/client/src/dynamic-handler.js
new file mode 100644
index 0000000000..ea1ea52b43
--- /dev/null
+++ b/client/src/dynamic-handler.js
@@ -0,0 +1,44 @@
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM - Open Source CRM application.
+ * Copyright (C) 2014-2018 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
+ * Website: http://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.
+ ************************************************************************/
+
+define('dynamic-handler', [], function () {
+
+    var DynamicHandler = function (recordView) {
+        this.recordView = recordView;
+        this.model = recordView.model;
+    }
+
+    _.extend(DynamicHandler.prototype, {
+
+        init: function () {},
+
+        onChange: function (model, o) {}
+    });
+
+    return DynamicHandler;
+});
diff --git a/client/src/views/record/detail.js b/client/src/views/record/detail.js
index cc9a2249d8..b53a4e3cd7 100644
--- a/client/src/views/record/detail.js
+++ b/client/src/views/record/detail.js
@@ -753,6 +753,37 @@ Espo.define('views/record/detail', ['views/record/base', 'view-record-helper'],
             this.initDynamicLogic();
 
             this.setupFieldLevelSecurity();
+
+            this.initDynamicHandler();
+        },
+
+        initDynamicHandler: function () {
+            var dynamicHandlerClassName = this.dynamicHandlerClassName || this.getMetadata().get(['clientDefs', this.model.name, 'dynamicHandler']);
+            if (dynamicHandlerClassName) {
+                this.addReadyCondition(function () {
+                    return !!this.dynamicHandler;
+                }.bind(this));
+
+                require(dynamicHandlerClassName, function (DynamicHandler) {
+                    this.dynamicHandler = new DynamicHandler(this);
+
+                    this.listenTo(this.model, 'change', function (model, o) {
+                        this.dynamicHandler.onChange(model, o);
+
+                        var changedAttributes = model.changedAttributes();
+                        for (var attribute in changedAttributes) {
+                            var methodName = 'onChange' + Espo.Utils.upperCaseFirst(attribute);
+                            if (methodName in this.dynamicHandler) {
+                                this.dynamicHandler[methodName](model, changedAttributes[attribute], o);
+                            }
+                        }
+                    }, this);
+
+                    this.dynamicHandler.init();
+
+                    this.tryReady();
+                }.bind(this));
+            }
         },
 
         setupFinal: function () {