custom_meta-8.x-1.0-beta1/config/schema/custom_meta.schema.yml

custom_meta.settings:
  type: config_object
  label: 'Custom meta settings'
  mapping:
    tag:
      type: sequence
      sequence:
        type: mapping
        mapping:
          attribute:
            type: string
            label: 'Attribute'
            description: 'The attribute of the meta tag.'
          name:
            type: string
            label: 'Name'
            description: 'The name of the meta tag.'
          label:
            type: string
            label: 'Label'
            description: 'The label of the meta tag.'
          description:
            type: string
            label: 'Description'
            description: 'The description of the meta tag.'
    prefix:
      type: string
      label: 'Custom Meta tags prefix'