diff --git a/app/components/avo/fields/area_field/edit_component.html.erb b/app/components/avo/fields/area_field/edit_component.html.erb
index d5cc6c77a6..48571b5bde 100644
--- a/app/components/avo/fields/area_field/edit_component.html.erb
+++ b/app/components/avo/fields/area_field/edit_component.html.erb
@@ -1,5 +1,6 @@
 <%= field_wrapper **field_wrapper_args do %>
   <%= @form.text_field @field.id,
+    value: @field.value,
     class: classes("w-full"),
     value: field.value.to_s,
     placeholder: @field.placeholder,
diff --git a/app/components/avo/fields/boolean_field/edit_component.html.erb b/app/components/avo/fields/boolean_field/edit_component.html.erb
index f80de21115..5910c47427 100644
--- a/app/components/avo/fields/boolean_field/edit_component.html.erb
+++ b/app/components/avo/fields/boolean_field/edit_component.html.erb
@@ -1,6 +1,7 @@
 <%= field_wrapper **field_wrapper_args, dash_if_blank: false do %>
   <div class="h-8 flex items-center">
     <%= @form.check_box @field.id,
+      value: @field.value,
       checked: @field.value,
       class: "text-lg h-4 w-4 checked:bg-primary-400 focus:checked:!bg-primary-400 #{@field.get_html(:classes, view: view, element: :input)}",
       data: @field.get_html(:data, view: view, element: :input),
diff --git a/app/components/avo/fields/code_field/edit_component.html.erb b/app/components/avo/fields/code_field/edit_component.html.erb
index eb9184f99d..39823519af 100644
--- a/app/components/avo/fields/code_field/edit_component.html.erb
+++ b/app/components/avo/fields/code_field/edit_component.html.erb
@@ -1,6 +1,7 @@
 <%= field_wrapper **field_wrapper_args, full_width: true do %>
   <div data-controller="code-field">
     <%= @form.text_area @field.id,
+      value: @field.value,
       class: classes("w-full"),
       data: {
         'code-field-target': 'element',
diff --git a/app/components/avo/fields/country_field/edit_component.html.erb b/app/components/avo/fields/country_field/edit_component.html.erb
index e17dc3c386..eceb336c1b 100644
--- a/app/components/avo/fields/country_field/edit_component.html.erb
+++ b/app/components/avo/fields/country_field/edit_component.html.erb
@@ -1,5 +1,6 @@
 <%= field_wrapper **field_wrapper_args do %>
   <%= @form.select @field.id, @field.select_options, {
+      value: @field.value,
       selected: @field.value,
       include_blank: @field.include_blank
     },
diff --git a/app/components/avo/fields/markdown_field/edit_component.html.erb b/app/components/avo/fields/markdown_field/edit_component.html.erb
index f3ebb4eb13..3985405f60 100644
--- a/app/components/avo/fields/markdown_field/edit_component.html.erb
+++ b/app/components/avo/fields/markdown_field/edit_component.html.erb
@@ -1,6 +1,7 @@
 <%= field_wrapper **field_wrapper_args, full_width: true do %>
   <div data-controller="easy-mde">
     <%= @form.text_area @field.id,
+      value: @field.value,
       class: classes("w-full js-has-easy-mde-editor"),
       data: {
         view: view,
diff --git a/app/components/avo/fields/number_field/edit_component.html.erb b/app/components/avo/fields/number_field/edit_component.html.erb
index 0a23e7131d..173b997214 100644
--- a/app/components/avo/fields/number_field/edit_component.html.erb
+++ b/app/components/avo/fields/number_field/edit_component.html.erb
@@ -1,5 +1,6 @@
 <%= field_wrapper **field_wrapper_args do %>
   <%= @form.number_field @field.id,
+    value: @field.value,
     class: classes("w-full"),
     data: @field.get_html(:data, view: view, element: :input),
     disabled: disabled?,
diff --git a/app/components/avo/fields/password_field/edit_component.html.erb b/app/components/avo/fields/password_field/edit_component.html.erb
index 2b41112ed4..d333690853 100644
--- a/app/components/avo/fields/password_field/edit_component.html.erb
+++ b/app/components/avo/fields/password_field/edit_component.html.erb
@@ -1,5 +1,6 @@
 <%= field_wrapper **field_wrapper_args do %>
   <%= @form.password_field @field.id,
+    value: @field.value,
     class: classes("w-full"),
     data: @field.get_html(:data, view: view, element: :input),
     disabled: disabled?,
diff --git a/app/components/avo/fields/progress_bar_field/edit_component.html.erb b/app/components/avo/fields/progress_bar_field/edit_component.html.erb
index 59bae9bd99..3caaba3183 100644
--- a/app/components/avo/fields/progress_bar_field/edit_component.html.erb
+++ b/app/components/avo/fields/progress_bar_field/edit_component.html.erb
@@ -6,6 +6,7 @@
       </div>
     <% end %>
     <%= @form.range_field @field.id,
+      value: @field.value,
       class: "w-full #{@field.get_html(:classes, view: view, element: :input)}",
       data: {
         action: "input->progress-bar-field#update",
diff --git a/app/components/avo/fields/status_field/edit_component.html.erb b/app/components/avo/fields/status_field/edit_component.html.erb
index 745443558f..72853f5ce7 100644
--- a/app/components/avo/fields/status_field/edit_component.html.erb
+++ b/app/components/avo/fields/status_field/edit_component.html.erb
@@ -5,6 +5,6 @@
     disabled: disabled?,
     placeholder: @field.placeholder,
     style: @field.get_html(:style, view: view, element: :input),
-    value: @resource.model.present? ? @resource.model[@field.id] : @field.value
+    value: @field.value
   %>
 <% end %>
diff --git a/app/components/avo/fields/text_field/edit_component.html.erb b/app/components/avo/fields/text_field/edit_component.html.erb
index a74713606d..0283bbd7c5 100644
--- a/app/components/avo/fields/text_field/edit_component.html.erb
+++ b/app/components/avo/fields/text_field/edit_component.html.erb
@@ -1,11 +1,11 @@
 <%= field_wrapper **field_wrapper_args do %>
   <%= form.text_field @field.id,
+    value: @field.value,
     class: classes("w-full"),
     data: @field.get_html(:data, view: view, element: :input),
     disabled: disabled?,
     placeholder: @field.placeholder,
     style: @field.get_html(:style, view: view, element: :input),
-    # value: @field.value,
     multiple: multiple,
     autocomplete: @field.autocomplete
   %>
diff --git a/app/components/avo/fields/textarea_field/edit_component.html.erb b/app/components/avo/fields/textarea_field/edit_component.html.erb
index 45ebdc2298..88f9d279b5 100644
--- a/app/components/avo/fields/textarea_field/edit_component.html.erb
+++ b/app/components/avo/fields/textarea_field/edit_component.html.erb
@@ -1,5 +1,6 @@
 <%= field_wrapper **field_wrapper_args do %>
   <%= @form.text_area @field.id,
+    value: @field.value,
     class: classes("w-full"),
     data: @field.get_html(:data, view: view, element: :input),
     disabled: disabled?,
diff --git a/app/components/avo/fields/trix_field/edit_component.html.erb b/app/components/avo/fields/trix_field/edit_component.html.erb
index d106cfef55..8fe18ef815 100644
--- a/app/components/avo/fields/trix_field/edit_component.html.erb
+++ b/app/components/avo/fields/trix_field/edit_component.html.erb
@@ -23,6 +23,7 @@
       <%= sanitize @field.value.to_s %>
     <% end %>
     <%= @form.text_area @field.id,
+      value: @field.value,
       class: classes("w-full hidden"),
       data: @field.get_html(:data, view: view, element: :input),
       disabled: disabled?,
diff --git a/app/components/avo/views/resource_edit_component.html.erb b/app/components/avo/views/resource_edit_component.html.erb
index 23add17c99..6f13568b2d 100644
--- a/app/components/avo/views/resource_edit_component.html.erb
+++ b/app/components/avo/views/resource_edit_component.html.erb
@@ -7,7 +7,7 @@
     selected_resources: [@resource.model.id],
     **@resource.stimulus_data_attributes
   } do %>
-  <%= form_with model: @resource.model,
+  <%= form_with model: @resource.record,
     scope: @resource.form_scope,
     url: form_url,
     method: form_method,
diff --git a/lib/avo/base_resource.rb b/lib/avo/base_resource.rb
index bbfc86df6d..27e1b7cbff 100644
--- a/lib/avo/base_resource.rb
+++ b/lib/avo/base_resource.rb
@@ -151,7 +151,8 @@ def initialize
     def record
       @model
     end
-    alias :model :record
+    alias_method :model, :record
+
 
     def hydrate(model: nil, view: nil, user: nil, params: nil)
       @view = view if view.present?
@@ -307,9 +308,9 @@ def attachment_fields
       end
     end
 
-    def fill_model(model, params, extra_params: [])
-      # Map the received params to their actual fields
-      fields_by_database_id = get_field_definitions
+    # Map the received params to their actual fields.
+    def fields_by_database_id
+      get_field_definitions
         .reject do |field|
           field.computed
         end
@@ -317,7 +318,9 @@ def fill_model(model, params, extra_params: [])
           [field.database_id.to_s, field]
         end
         .to_h
+    end
 
+    def fill_model(model, params, extra_params: [])
       # Write the field values
       params.each do |key, value|
         field = fields_by_database_id[key]
diff --git a/lib/avo/execution_context.rb b/lib/avo/execution_context.rb
new file mode 100644
index 0000000000..e082aefb20
--- /dev/null
+++ b/lib/avo/execution_context.rb
@@ -0,0 +1,43 @@
+module Avo
+  class ExecutionContext
+    attr_accessor :target, :context, :params, :view_context, :current_user, :request, :include, :main_app, :avo
+
+    def initialize(**args)
+      # Extend the class with custom modules if required.
+      if args[:include].present?
+        args[:include].each do |mod|
+          self.class.send(:include, mod)
+        end
+      end
+
+      # If you want this block to behave like a view you can delegate the missing methods to the view_context
+      #
+      # Ex: Avo::ExecutionContext.new(target: ..., delegate_missing_to: :view_context).handle
+      if args[:delegate_missing_to].present?
+        self.class.send(:delegate_missing_to, args[:delegate_missing_to])
+      end
+
+      # If target doesn't respond to call, we don't need to initialize the others attr_accessors.
+      return unless (@target = args[:target]).respond_to? :call
+
+      args.except(:target).each do |key, value|
+        singleton_class.class_eval { attr_accessor key }
+        instance_variable_set("@#{key}", value)
+      end
+
+      # Set defaults on not initialized accessors
+      @context ||= Avo::App.context
+      @params ||= Avo::App.params
+      @view_context ||= Avo::App.view_context
+      @current_user ||= Avo::App.current_user
+      @request ||= view_context.request
+      @main_app ||= view_context.main_app
+      @avo ||= view_context.avo
+    end
+
+    # Return target if target is not callable, otherwise, execute target on this instance context
+    def handle
+      target.respond_to?(:call) ? instance_exec(&target) : target
+    end
+  end
+end
diff --git a/lib/avo/fields/base_field.rb b/lib/avo/fields/base_field.rb
index 6441a8d64f..a6a6a68fb1 100644
--- a/lib/avo/fields/base_field.rb
+++ b/lib/avo/fields/base_field.rb
@@ -70,6 +70,7 @@ def initialize(id, **args, &block)
         @nullable = args[:nullable] || false
         @null_values = args[:null_values] || [nil, ""]
         @format_using = args[:format_using] || nil
+        @update_using = args[:update_using] || nil
         @placeholder = args[:placeholder]
         @autocomplete = args[:autocomplete] || nil
         @help = args[:help] || nil
@@ -183,20 +184,31 @@ def value(property = nil)
           final_value = instance_exec(@model, @resource, @view, self, &block)
         end
 
-        # Run the value through resolver if present
-        final_value = instance_exec(final_value, &@format_using) if @format_using.present?
-
-        final_value
+        if @format_using.present?
+          # Apply the changes in the
+          Avo::ExecutionContext.new(target: @format_using, model: model, key: property, value: final_value, resource: resource, view: view, field: self, delegate_missing_to: :view_context).handle
+        else
+          final_value
+        end
       end
 
+      # Fills the model with the received value on create and update actions.
       def fill_field(model, key, value, params)
         return model unless model.methods.include? key.to_sym
 
-        model.send("#{key}=", value)
+        if @update_using.present?
+          value = update_using(model, key, value, params)
+        end
+
+        model.public_send("#{key}=", value)
 
         model
       end
 
+      def update_using(model, key, value, params)
+        Avo::ExecutionContext.new(target: @update_using, model: model, key: key, value: value, resource: resource, field: self).handle
+      end
+
       # Try to see if the field has a different database ID than it's name
       def database_id
         foreign_key
diff --git a/spec/dummy/app/avo/resources/city_resource.rb b/spec/dummy/app/avo/resources/city_resource.rb
index f6846e72ae..083cc28c61 100644
--- a/spec/dummy/app/avo/resources/city_resource.rb
+++ b/spec/dummy/app/avo/resources/city_resource.rb
@@ -9,7 +9,7 @@ class CityResource < Avo::BaseResource
   self.search_result_path = -> {
     avo.resources_city_path record, custom: "yup"
   }
-  self.extra_params = [:fish_type, :something_else, properties: [], information: [:name, :history]]
+  self.extra_params = [city: [:name, :metadata, :coordinates, :city_center_area, :description, :population, :is_capital, :image_url, :tiny_description, :status, features: {}, metadata: {}]]
   self.default_view_type = :map
   self.map_view = {
     mapkick_options: {
@@ -43,12 +43,23 @@ class CityResource < Avo::BaseResource
       color: "#009099"
     }
   field :description, as: :trix, attachment_key: :description_file, visible: ->(resource:) { resource.params[:show_native_fields].blank? }
+  field :metadata,
+    as: :code,
+    format_using: -> {
+      if view == :edit
+        JSON.generate(value)
+      else
+        value
+      end
+    },
+    update_using: -> do
+      ActiveSupport::JSON.decode(value)
+    end
   with_options hide_on: :forms do
     field :name, as: :text, help: "The name of your city"
     field :population, as: :number
     field :is_capital, as: :boolean
     field :features, as: :key_value
-    field :metadata, as: :code
     field :image_url, as: :external_image
     field :tiny_description, as: :markdown
     field :status, as: :badge, enum: ::City.statuses
diff --git a/spec/dummy/app/avo/resources/comment_resource.rb b/spec/dummy/app/avo/resources/comment_resource.rb
index 242b9d4fc1..9b25799b6d 100644
--- a/spec/dummy/app/avo/resources/comment_resource.rb
+++ b/spec/dummy/app/avo/resources/comment_resource.rb
@@ -10,7 +10,7 @@ class CommentResource < Avo::BaseResource
   self.after_update_path = :index
 
   field :id, as: :id
-  field :body, as: :textarea, format_using: ->(value) do
+  field :body, as: :textarea, format_using: -> do
     if view == :show
       content_tag(:div, style: "white-space: pre-line") { value }
     else
diff --git a/spec/dummy/app/avo/resources/photo_comment_resource.rb b/spec/dummy/app/avo/resources/photo_comment_resource.rb
index 346169b0d3..2b310fc27d 100644
--- a/spec/dummy/app/avo/resources/photo_comment_resource.rb
+++ b/spec/dummy/app/avo/resources/photo_comment_resource.rb
@@ -14,7 +14,7 @@ class PhotoCommentResource < Avo::BaseResource
   end
 
   field :id, as: :id
-  field :body, as: :textarea, format_using: ->(value) do
+  field :body, as: :textarea, format_using: -> do
     if view == :show
       content_tag(:div, style: "white-space: pre-line") { value }
     else
diff --git a/spec/dummy/app/avo/resources/post_resource.rb b/spec/dummy/app/avo/resources/post_resource.rb
index a6c2b13970..1437d57dd3 100644
--- a/spec/dummy/app/avo/resources/post_resource.rb
+++ b/spec/dummy/app/avo/resources/post_resource.rb
@@ -36,7 +36,7 @@ class PostResource < Avo::BaseResource
     enforce_suggestions: true,
     help: "The only allowed values here are `one`, `two`, and `three`"
   field :cover_photo, as: :file, is_image: true, as_avatar: :rounded, full_width: true, hide_on: [], accept: "image/*", display_filename: false
-  field :cover_photo, as: :external_image, name: "Cover photo", required: true, hide_on: :all, link_to_resource: true, as_avatar: :rounded, format_using: ->(value) { value.present? ? value&.url : nil }
+  field :cover_photo, as: :external_image, name: "Cover photo", required: true, hide_on: :all, link_to_resource: true, as_avatar: :rounded, format_using: -> { value.present? ? value&.url : nil }
   field :audio, as: :file, is_audio: true, accept: "audio/*"
   field :excerpt, as: :text, hide_on: :all, as_description: true do |model|
     extract_excerpt model.body
diff --git a/spec/dummy/app/avo/resources/product_resource.rb b/spec/dummy/app/avo/resources/product_resource.rb
index c97ce34cf6..e4523db310 100644
--- a/spec/dummy/app/avo/resources/product_resource.rb
+++ b/spec/dummy/app/avo/resources/product_resource.rb
@@ -31,7 +31,7 @@ class ProductResource < Avo::BaseResource
       }
     }
     title :title, as: :text
-    body :description, as: :textarea, format_using: ->(value) {
+    body :description, as: :textarea, format_using: -> {
       simple_format value
     }
   end
diff --git a/spec/dummy/app/avo/resources/team_resource.rb b/spec/dummy/app/avo/resources/team_resource.rb
index 224d0d00ee..48ac415787 100644
--- a/spec/dummy/app/avo/resources/team_resource.rb
+++ b/spec/dummy/app/avo/resources/team_resource.rb
@@ -31,7 +31,7 @@ class TeamResource < Avo::BaseResource
     rows: 5,
     readonly: false,
     hide_on: :index,
-    format_using: ->(value) { value.to_s.truncate 30 },
+    format_using: -> { value.to_s.truncate 30 },
     default: "This is a wonderful team!",
     nullable: true,
     null_values: ["0", "", "null", "nil"]
diff --git a/spec/dummy/app/avo/resources/user_resource.rb b/spec/dummy/app/avo/resources/user_resource.rb
index 06d8d791a0..b9065c6660 100644
--- a/spec/dummy/app/avo/resources/user_resource.rb
+++ b/spec/dummy/app/avo/resources/user_resource.rb
@@ -85,7 +85,7 @@ class UserResource < Avo::BaseResource
       hide_on: :edit do |model, resource, view, field|
         model.posts.to_a.size > 0 ? "yes" : "no"
       end
-    field :outside_link, as: :text, only_on: [:show], format_using: ->(url) { link_to("hey", url, target: "_blank") } do |model, *args|
+    field :outside_link, as: :text, only_on: [:show], format_using: -> { link_to("hey", value, target: "_blank") } do |model, *args|
       main_app.hey_url
     end
   end
diff --git a/spec/dummy/app/avo/resources/z_post_resource.rb b/spec/dummy/app/avo/resources/z_post_resource.rb
index 3ad098a98a..bc1b1b923e 100644
--- a/spec/dummy/app/avo/resources/z_post_resource.rb
+++ b/spec/dummy/app/avo/resources/z_post_resource.rb
@@ -34,7 +34,7 @@ class ZPostResource < Avo::BaseResource
     enforce_suggestions: true,
     help: "The only allowed values here are `one`, `two`, and `three`"
   field :cover_photo, as: :file, is_image: true, as_avatar: :rounded, full_width: true, hide_on: [], accept: "image/*"
-  field :cover_photo, as: :external_image, name: "Cover photo", required: true, hide_on: :all, link_to_resource: true, as_avatar: :rounded, format_using: ->(value) { value.present? ? value&.url : nil }
+  field :cover_photo, as: :external_image, name: "Cover photo", required: true, hide_on: :all, link_to_resource: true, as_avatar: :rounded, format_using: -> { value.present? ? value&.url : nil }
   field :audio, as: :file, is_audio: true, accept: "audio/*"
   field :excerpt, as: :text, hide_on: :all, as_description: true do |model|
     ActionView::Base.full_sanitizer.sanitize(model.body).truncate 130
diff --git a/spec/dummy/app/models/city.rb b/spec/dummy/app/models/city.rb
index ee19fa1375..be16db0adf 100644
--- a/spec/dummy/app/models/city.rb
+++ b/spec/dummy/app/models/city.rb
@@ -38,4 +38,13 @@ def coordinates=(value)
     self.latitude = value.first
     self.longitude = value.last
   end
+
+  # alternative to format_using and update_using
+  # def json_metadata
+  #   ActiveSupport::JSON.encode(metadata)
+  # end
+
+  # def json_metadata=(value)
+  #   self.metadata = ActiveSupport::JSON.decode(value)
+  # end
 end
diff --git a/spec/dummy/app/views/avo/resource_tools/_city_editor.html.erb b/spec/dummy/app/views/avo/resource_tools/_city_editor.html.erb
index 3cc8686453..0fe7921df3 100644
--- a/spec/dummy/app/views/avo/resource_tools/_city_editor.html.erb
+++ b/spec/dummy/app/views/avo/resource_tools/_city_editor.html.erb
@@ -7,7 +7,6 @@
           <%= avo_edit_field(:number, :population, form: form, help: "The population of the city.") %>
           <%= avo_edit_field(:is_capital, as: :boolean, form: form) %>
           <%= avo_edit_field(:features, as: :key_value, form: form) %>
-          <%= avo_show_field(:metadata, as: :code, form: form) %>
           <%= avo_show_field(:image_url, as: :external_image, form: form) do |model|
             'https://images.unsplash.com/photo-1660061993776-098c0ee403ac?crop=entropy&cs=tinysrgb&fit=max&fm=jpg&ixid=MnwxfDB8MXxyYW5kb218MHx8fHx8fHx8MTY2MDMxMzc4NA&ixlib=rb-1.2.1&q=80&w=1080'
           end %>
diff --git a/spec/features/avo/native_fields_spec.rb b/spec/features/avo/native_fields_spec.rb
index 0e0e49e67d..d4b5ed2d94 100644
--- a/spec/features/avo/native_fields_spec.rb
+++ b/spec/features/avo/native_fields_spec.rb
@@ -10,7 +10,6 @@
     expect(find_field('Population').value).to eq city.population.to_s
     expect(find_field('Is capital').value).to eq "1"
     expect(find_field('Features').value).to eq "\"#{city.features}\""
-    expect(find_field('metadata', visible: false, disabled: true).value).to eq city.metadata
 
     expect(page).to have_css 'img[src="https://images.unsplash.com/photo-1660061993776-098c0ee403ac?crop=entropy&cs=tinysrgb&fit=max&fm=jpg&ixid=MnwxfDB8MXxyYW5kb218MHx8fHx8fHx8MTY2MDMxMzc4NA&ixlib=rb-1.2.1&q=80&w=1080"]'
     expect(find_field('Image url').value).to eq city.image_url
@@ -31,7 +30,6 @@
     fill_in 'city[population]', with: 101
     find('[name="city[is_capital]"]').set(false)
     fill_in 'city[features]', with: "{\"hey\": \"features\"}"
-    find_field('metadata', visible: false, disabled: true).set("{\"hey\": \"metadata\"}")
 
     click_on "Save"
 
diff --git a/spec/system/avo/date_time_fields/date_time_eastern_spec.rb b/spec/system/avo/date_time_fields/date_time_eastern_spec.rb
index 05e6aab820..9f80c9f97c 100644
--- a/spec/system/avo/date_time_fields/date_time_eastern_spec.rb
+++ b/spec/system/avo/date_time_fields/date_time_eastern_spec.rb
@@ -7,7 +7,7 @@
   subject(:text_input) { find '[data-field-id="posted_at"] [data-controller="date-field"] input[type="text"]' }
   before do
     CommentResource.with_temporary_items do
-      field :body, as: :textarea, format_using: ->(value) do
+      field :body, as: :textarea, format_using: -> do
         if view == :show
           content_tag(:div, style: "white-space: pre-line") { value }
         else
diff --git a/spec/system/avo/date_time_fields/date_time_utc_spec.rb b/spec/system/avo/date_time_fields/date_time_utc_spec.rb
index 3c51529505..5389e33af6 100644
--- a/spec/system/avo/date_time_fields/date_time_utc_spec.rb
+++ b/spec/system/avo/date_time_fields/date_time_utc_spec.rb
@@ -8,7 +8,7 @@
 
   before do
     CommentResource.with_temporary_items do
-      field :body, as: :textarea, format_using: ->(value) do
+      field :body, as: :textarea, format_using: -> do
         if view == :show
           content_tag(:div, style: "white-space: pre-line") { value }
         else
diff --git a/spec/system/avo/date_time_fields/date_time_western_spec.rb b/spec/system/avo/date_time_fields/date_time_western_spec.rb
index 03bb0dee88..3dfae8dfa6 100644
--- a/spec/system/avo/date_time_fields/date_time_western_spec.rb
+++ b/spec/system/avo/date_time_fields/date_time_western_spec.rb
@@ -8,7 +8,7 @@
 
   before do
     CommentResource.with_temporary_items do
-      field :body, as: :textarea, format_using: ->(value) do
+      field :body, as: :textarea, format_using: -> do
         if view == :show
           content_tag(:div, style: "white-space: pre-line") { value }
         else