= simple_form_for @entity do |f|
  - if @entity.errors.any?
    #error_explanation
      %h2= "#{pluralize(@entity.errors.count, "error")} prohibited this entity from being saved:"
      %ul
        - @entity.errors.full_messages.each do |message|
          %li= message

  .field
    = f.input :name
  .field
    = f.input :ha_id , collection: Entity.ha_entities
  .field
    = f.input :member_id , collection: Member.all.collect{|m| [m.name , m.id ]}
  .actions{class:   button_classes}
    = f.submit 'Save'