pm-4.1.x-dev/modules/pm_epic/pm_epic.links.contextual.yml

entity.pm_epic.edit_form:
  route_name: entity.pm_epic.edit_form
  group: pm_epic
  title: Edit

entity.pm_epic.delete_form:
  route_name: entity.pm_epic.delete_form
  group: pm_epic
  title: Delete
  weight: 10