diff --git a/app/views/posts/attributes/_new_has_many.haml b/app/views/posts/attributes/_new_has_many.haml
index 76cf299f..27d682c4 100644
--- a/app/views/posts/attributes/_new_has_many.haml
+++ b/app/views/posts/attributes/_new_has_many.haml
@@ -5,6 +5,7 @@
   name = "#{base}[#{attribute}][]"
   form_id = "form-#{Nanoid.generate}"
   modal_id = "modal-#{Nanoid.generate}"
+  post_form_id = "post-form-#{Nanoid.generate}"
 
 %div{ id: modal_id, data: { controller: 'modal array', 'array-original-value': metadata.value.to_json, 'array-new-array-value': site_posts_new_related_post_path(site) } }
   .form-group
@@ -39,7 +40,28 @@
           .mb-2{ data: { target: 'array.item', 'searchable-value': value.remove_diacritics.downcase, value: uuid } }
             = render 'bootstrap/custom_checkbox', name: name, id: "value-#{Nanoid.generate}", value: uuid, checked: metadata.value.include?(uuid), content: value
 
+    -#
+      Según la definición del campo, si hay un filtro, tenemos que poder
+      elegir qué tipo de esquema queremos o si hay uno solo, siempre
+      vamos a enviar ese. Si no hay ninguno, tendríamos que poder elegir
+      entre todos los esquemas.
+
     - content_for :"#{id}_footer" do
-      .flex-grow-1
+      - layout = metadata.filter[:layout]
+      - if layout.is_a?(String)
+        %input{ type: 'hidden', name: 'layout', value: layout, form: post_form_id }
+        = render 'bootstrap/btn', content: t('.add', layout: site.layouts[layout].humanized_name), form: post_form_id, type: 'submit', class: 'm-0 mr-1'
+      - else
+        - layouts   = layout&.map { |x| site.layouts[x] }
+        - layouts ||= site.layouts.values
+        .input-group.w-auto.flex-grow-1.my-0
+          %select.form-control{ form: post_form_id, name: 'layout' }
+            - layouts.each do |layout|
+              %option{ value: layout.name }= layout.humanized_name
+          .input-group-append
+            = render 'bootstrap/btn', content: t('.add', layout: ''), form: post_form_id, type: 'submit', class: 'mb-0 mr-0'
       = render 'bootstrap/btn', content: t('.accept'), action: 'array#accept modal#hide', class: 'm-0 mr-1'
       = render 'bootstrap/btn', content: t('.cancel'), action: 'array#cancel modal#hide', class: 'm-0'
+
+- content_for :post_form do
+  %form{ id: post_form_id }