diff --git a/assets/js/src/newsletters/send/notification.jsx b/assets/js/src/newsletters/send/notification.jsx
index c21b841bfc..f796192ac9 100644
--- a/assets/js/src/newsletters/send/notification.jsx
+++ b/assets/js/src/newsletters/send/notification.jsx
@@ -1,11 +1,13 @@
 define(
   [
     'mailpoet',
+    'wp-js-hooks',
     'newsletters/types/notification/scheduling.jsx',
     'underscore'
   ],
   function(
     MailPoet,
+    Hooks,
     Scheduling,
     _
   ) {
@@ -101,6 +103,8 @@ define(
       }
     ];
 
+    Hooks.doAction('mailpoet_newsletter_3rd_step_fields', fields);
+
     return {
       getFields: function(newsletter) {
         return fields;
diff --git a/assets/js/src/newsletters/send/standard.jsx b/assets/js/src/newsletters/send/standard.jsx
index 935f227e92..41ce31865b 100644
--- a/assets/js/src/newsletters/send/standard.jsx
+++ b/assets/js/src/newsletters/send/standard.jsx
@@ -4,6 +4,7 @@ define(
     'jquery',
     'underscore',
     'mailpoet',
+    'wp-js-hooks',
     'form/fields/checkbox.jsx',
     'form/fields/select.jsx',
     'form/fields/text.jsx',
@@ -13,6 +14,7 @@ define(
     jQuery,
     _,
     MailPoet,
+    Hooks,
     Checkbox,
     Select,
     Text
@@ -411,6 +413,8 @@ define(
       }
     ];
 
+    Hooks.doAction('mailpoet_newsletter_3rd_step_fields', fields);
+
     return {
       getFields: function(newsletter) {
         return fields;
diff --git a/assets/js/src/newsletters/send/welcome.jsx b/assets/js/src/newsletters/send/welcome.jsx
index d7983d8a1b..b2d0a0beec 100644
--- a/assets/js/src/newsletters/send/welcome.jsx
+++ b/assets/js/src/newsletters/send/welcome.jsx
@@ -1,10 +1,12 @@
 define(
   [
     'mailpoet',
+    'wp-js-hooks',
     'newsletters/types/welcome/scheduling.jsx'
   ],
   function(
     MailPoet,
+    Hooks,
     Scheduling
   ) {
 
@@ -71,6 +73,8 @@ define(
       }
     ];
 
+    Hooks.doAction('mailpoet_newsletter_3rd_step_fields', fields);
+
     return {
       getFields: function(newsletter) {
         return fields;
@@ -83,4 +87,3 @@ define(
     };
   }
 );
-
diff --git a/package.json b/package.json
index 680ade3c97..4b13359f14 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
     "filesaver": "eligrey/FileSaver.js.git"
   },
   "dependencies": {
+    "WP-JS-Hooks": "github:carldanley/WP-JS-Hooks",
     "backbone": "1.3.3",
     "backbone.marionette": "2.4.7",
     "backbone.radio": "1.0.5",
diff --git a/views/layout.html b/views/layout.html
index 6beb835748..c69138ea57 100644
--- a/views/layout.html
+++ b/views/layout.html
@@ -51,6 +51,8 @@ jQuery('.toplevel_page_mailpoet-newsletters.menu-top-last')
 
 <% block translations %><% endblock %>
 
+<% block before_admin_javascript %><% endblock %>
+
 <%= javascript(
   'admin.js'
 )%>
diff --git a/views/newsletters.html b/views/newsletters.html
index 3ffec1bafd..c12ffaea0b 100644
--- a/views/newsletters.html
+++ b/views/newsletters.html
@@ -244,3 +244,7 @@
     'mailerSendingResumedNotice': __('Sending has been resumed.')
 }) %>
 <% endblock %>
+
+<% block before_admin_javascript %>
+  <%= do_action('mailpoet_newsletters_3rd_step_form') %>
+<% endblock %>
diff --git a/webpack.config.js b/webpack.config.js
index 777c939823..96e52617bb 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -26,6 +26,7 @@ baseConfig = {
       'sticky-kit': 'vendor/jquery.sticky-kit.js',
       'interact$': 'interact.js/interact.js',
       'spectrum$': 'spectrum-colorpicker/spectrum.js',
+      'wp-js-hooks': 'WP-JS-Hooks/src/event-manager.js',
       'blob$': 'blob/Blob.js',
       'filesaver$': 'filesaver/FileSaver.js',
       'papaparse': 'papaparse/papaparse.min.js',
@@ -59,6 +60,10 @@ baseConfig = {
         include: require.resolve('underscore'),
         loader: 'expose-loader?_',
       },
+      {
+        test: /wp-js-hooks/i,
+        loader: 'exports-loader?window.wp.hooks',
+      },
       {
         include: /Blob.js$/,
         loader: 'exports-loader?window.Blob',
@@ -93,7 +98,8 @@ config.push(_.extend({}, baseConfig, {
   entry: {
     vendor: [
       'handlebars',
-      'handlebars_helpers'
+      'handlebars_helpers',
+      'wp-js-hooks'
     ],
     mailpoet: [
       'mailpoet',