diff --git a/app/controllers/letters_controller.rb b/app/controllers/letters_controller.rb
index 9b5a25b..7b878d4 100644
--- a/app/controllers/letters_controller.rb
+++ b/app/controllers/letters_controller.rb
@@ -1,2 +1,35 @@
 class LettersController < ApplicationController
+	before_action :set_letter, only: %i[show edit update delete]
+	def new
+		@letter = Letter.new
+	end
+
+	def create
+		@letter = Letter.new(letter_params)
+		respond_to do |format|
+			if @letter.save
+				format.html { redirect_to @laboratory, notice: 'Votre lettre ouverte a bien été soumise. Vous avez été redirigé sur votre lettre ouverte. Vous pouvez maintenant la partager.' }
+				format.json { render :show, status: :created, location: @letter }
+			else
+				format.html { render :new }
+				format.json { render json: @letter.errors, status: :unprocessable_entity }
+			end
+		end
+	end
+
+	private
+
+	def set_letter
+		@letter = Letter.find(params[:id])
+	end
+
+	def letter_params
+		params.require(:letter).permit(
+			:title,
+			:document,
+			:author,
+			:email,
+			:private_email
+		)
+	end
 end
diff --git a/app/views/letters/new.html.erb b/app/views/letters/new.html.erb
new file mode 100644
index 0000000..e69de29
diff --git a/config/application.rb b/config/application.rb
index 33b5b13..f3d300d 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -5,7 +5,7 @@ require "rails"
 require "active_model/railtie"
 # require "active_job/railtie"
 require "active_record/railtie"
-# require "active_storage/engine"
+require "active_storage/engine"
 require "action_controller/railtie"
 # require "action_mailer/railtie"
 # require "action_mailbox/engine"