extensions/amp-ad-network-smartadserver-impl/amp-ad-network-smartadserver-impl-internal.md
amp-ad-network-smartadserver-implSmartadserver supports the Real Time Config (RTC) to preload configuration settings for ad placements. The RTC setup is optional.
Smartadserver largely uses the same tags as <amp-ad>. The following are required tags for special behaviors of existing ones:
data-site: Site IDdata-page: Page IDdata-format: Format IDdata-domain: Ad call domainThese attributes are optional:
data-target: Targeting stringdata-isasync: Is call to Smartadserver should be executed in sync or async modedata-schain: SupplyChain Object stringrtc-config: Please refer to RTC Documentation for details<amp-ad width="300" height="250" type="smartadserver"
data-site="38877"
data-page="1410268"
data-format="945"
data-target="test=amp"
data-isasync="true"
data-domain="https://www4.smartadserver.com">
</amp-ad>