pm-4.1.x-dev/modules/pm_project/config/schema/pm_project.entity_type.schema.yml

pm_project.pm_project_type.*:
  type: config_entity
  label: 'PM Project type config'
  mapping:
    id:
      type: string
      label: 'ID'
    label:
      type: label
      label: 'Label'
    uuid:
      type: string