message-8.x-1.1/message.links.task.yml

message.template_add:
  route_name: message.template_add
  base_route: message.template_add
  title: 'View'

entity.message_template.edit_form:
  title: 'Edit'
  route_name: entity.message_template.edit_form
  base_route: entity.message_template.edit_form