layout_builder.schema.yml

core.entity_view_display.*.*.*.third_party.layout_builder:
  type: mapping
  label: 'Per-view-mode Layout Builder settings'
  mapping:
    enabled:
      type: boolean
      label: 'Whether the Layout Builder is enabled for this display'
    allow_custom:
      type: boolean
      label: 'Allow a customized layout'
    sections:
      type: sequence
      sequence:
        type: layout_builder.section

layout_builder.section:
  type: mapping
  label: 'Layout section'
  mapping:
    layout_id:
      type: string
      label: 'Layout ID'
      constraints:
        PluginExists:
          manager: plugin.manager.core.layout
          interface: '\Drupal\Core\Layout\LayoutInterface'
    layout_settings:
      type: layout_plugin.settings.[%parent.layout_id]
      label: 'Layout settings'
    components:
      type: sequence
      label: 'Components'
      sequence:
        type: layout_builder.component
    third_party_settings:
      type: sequence
      label: 'Third party settings'
      sequence:
        type: '[%parent.%parent.%type].third_party.[%key]'

layout_builder.component:
  type: mapping
  label: 'Component'
  mapping:
    uuid:
      type: uuid
      label: 'UUID'
    region:
      type: string
      label: 'Region'
    configuration:
      type: block.settings.[id]
    weight:
      type: weight
      label: 'Weight'
    additional:
      type: ignore
      label: 'Additional data'

inline_block:
  type: block_settings
  label: 'Inline block'
  mapping:
    view_mode:
      type: string
      label: 'View mode'
      ConfigExists:
        prefix: core.entity_view_mode.block_content.
    block_id:
      type: integer
      label: 'Block ID'
      constraints:
        NotBlank: []
        Range:
          min: 1
    block_revision_id:
      type: integer
      label: 'Block revision ID'
      constraints:
        NotBlank: []
        Range:
          min: 1
    block_serialized:
      type: string
      label: 'Serialized block'
      nullable: true
      constraints:
        Serialized: []
  constraints:
    FullyValidatable: ~
    AtLeastOneOf:
      messageCollection: 'Either block_id and block_revision_id, or block_serialized must be provided.'
      constraints:
        - MappingCollection:
            allowExtraFields: true
            allowMissingFields: true
            fields:
              block_id:
                Required:
                  constraints:
                    - NotBlank: {}
                    - NotNull: {}
              block_revision_id:
                Required:
                  constraints:
                    - NotBlank: {}
                    - NotNull: {}
              block_serialized:
                Optional: {}
        - MappingCollection:
            allowExtraFields: true
            allowMissingFields: true
            fields:
              block_id:
                Optional: {}
              block_revision_id:
                Optional: {}
              block_serialized:
                Required:
                  constraints:
                    - NotBlank: {}
                    - NotNull: {}

block.settings.inline_block:*:
  type: inline_block

layout_builder_multi_width:
  type: layout_plugin.settings
  mapping:
    column_widths:
      type: string
      label: 'Column widths'

layout_plugin.settings.layout_twocol_section:
  type: layout_builder_multi_width

layout_plugin.settings.layout_threecol_section:
  type: layout_builder_multi_width