<%= f.hidden_field :content_page_share_id, value: share.id %> <%= f.label 'Leave a message', for: "share_comment_#{share.id}" %> <%= f.text_area :message, id: "share_comment_#{share.id}", class: 'materialize-textarea js-can-mention-pages' %> <%= f.submit 'Comment', class: 'btn right green white-text submit-button' %>