app/mailers/heya/campaign_mailer.rb in heya-0.5.3 vs app/mailers/heya/campaign_mailer.rb in heya-0.6.0

@@ -1,7 +1,8 @@
 module Heya
   class CampaignMailer < ApplicationMailer
-    layout "heya/campaign_mailer"
+    DEFAULT_LAYOUT = "heya/campaign_mailer"
+    layout -> { params.fetch(:step).params.fetch("layout", DEFAULT_LAYOUT) }
 
     def build
       user = params.fetch(:user)
       step = params.fetch(:step)