commerce_square-8.x-1.x-dev/config/schema/commerce_square.schema.yml

commerce_payment.commerce_payment_gateway.plugin.square:
  type: commerce_payment_gateway_configuration
  mapping:
    test_location_id:
      type: string
      label: 'Test Location ID'
    live_location_id:
      type: string
      label: 'Live Location ID'
    enable_credit_card_icons:
      type: boolean
      label: 'Enable credit card icons'

commerce_square.settings:
  type: config_object
  label: 'Commerce Square settings'
  mapping:
    app_name:
      type: string
      label: 'Application Name'
    app_secret:
      type: string
      label: 'Application Secret'
    sandbox_app_id:
      type: string
      label: 'Sandbox Application ID'
    sandbox_access_token:
      type: string
      label: 'Sandbox Access Token'
    production_app_id:
      type: string
      label: 'Production Application ID'