alert_types-8.x-1.x-dev/config/schema/alert_type.schema.yml

alert_types.alert_type.*:
  type: config_entity
  label: 'Alert type config'
  mapping:
    id:
      type: string
      label: 'ID'
    label:
      type: label
      label: 'Label'
    description:
      type: text
      label: 'Description'
    uuid:
      type: string
    behaviors:
      type: sequence
      label: 'Behaviors'
      sequence:
        type: string
        label: 'Behaviors'