<%= form_for([@group, member]) do |f| %>
<% if member.errors.any? %>
<%= pluralize(member.errors.count, "error") %> prohibited this member from being saved:
<% member.errors.full_messages.each do |message| %>
- <%= message %>
<% end %>
<% end %>
<%= f.collection_select(:person_id, @possible_members, :id, :full_name, prompt: true) %>
<%= f.check_box :is_leader %> Beheerder
<%= f.submit %>
<% end %>