material_base-8.x-2.x-dev/themes/material_base_subtheme/config/optional/block.block.THEMENAME_messages.yml

langcode: en
status: true
dependencies:
  module:
    - system
  theme:
    - THEMENAME
id: THEMENAME_messages
theme: THEMENAME
region: messages
weight: -6
provider: null
plugin: system_messages_block
settings:
  id: system_messages_block
  label: 'Status messages'
  provider: system
  label_display: '0'
visibility: {  }