Params deserialisation issue

selection.rb

# Represents a selection of a Player for a Match

class Selection < ApplicationRecord
  acts_as_list scope: :match

  belongs_to :match
  belongs_to :player

  # Ensure that the selections are returned in postition order
  def self.default_scope
    order(position: :asc)
  end
end

selection_notification.rb

# To deliver this notification
#
# SelectionNotification.with(post: @post).deliver_later(current_user)
# SelectionNotification.with(post: @post).deliver(current_user)

class SelectionNotification < Noticed::Base
  # Add your delivery methods
  #
  deliver_by :database
  # deliver_by :email, mailer: "UserMailer"
  # deliver_by :slack
  # deliver_by :custom, class: "MyDeliveryMethod"

  # Add required params
  #
  param :selection

  # Define helper methods to make rendering easier.
  #
  # def message
  #   t(".message")
  # end
  #
  # def url
  #   post_path(params[:post])
  # end
end

Awesome stuff Chris. Trying it out now!