to js problem

app/models/communication/block/template/base.rb

@@ -95,14 +95,14 @@ class Communication::Block::Template::Base
     university.active_storage_blobs.find id
   end
 
-  protected
-
   def default_data
     {
       'elements' => []
     }
   end
 
+  protected
+
   def load_data
     return if @data_loaded
     # Accessing the data loads it from database

app/models/communication/block/template/gallery.rb

@@ -4,6 +4,10 @@ class Communication::Block::Template::Gallery < Communication::Block::Template::
 
   # has_select :layout, options: LAYOUTS, default: LAYOUTS.first
 
+  def element
+    Communication::Block::Template::Gallery::Image.new block
+  end
+
   def build_git_dependencies
     add_dependency active_storage_blobs
   end

app/models/communication/block/template/gallery/image.rb

+class Communication::Block::Template::Gallery::Image < Communication::Block::Template::Base
+  has_image :image
+  has_rich_text :text
+
+  def default_data
+    {
+      'alt' => '',
+      'credit' => '',
+      'file' => {}
+    }
+  end
+end

app/views/admin/communication/blocks/templates/gallery/_edit.html.erb

@@ -2,8 +2,9 @@
             layouts: Communication::Block::Template::Gallery::LAYOUTS,
             horizontal: true %>
 
+
 <a  class="<%= button_classes('mb-4') %>"
-    v-on:click="data.elements.push({alt: '', credit: '', file: {}})">
+    v-on:click="data.elements.push(<%= raw @block.template.element.default_data.to_s %>)">
     <%= t '.add_image' %>
 </a>