SIMID nonlinear overlays need an IFrameResource
<NonLinear apiFramework="SIMID"> must contain an <IFrameResource>
Short answer
A SIMID `<NonLinear apiFramework="SIMID">` without an `<IFrameResource>` gives the player no iframe URL to load, so the overlay never starts.
SIMID 1.1 introduced support for nonlinear ads (overlays). A element identified as a SIMID creative (via ) must contain an child whose text content is the URL of the SIMID HTML creative. Per SIMID §3.5.1, the is the delivery mechanism for the SIMID iframe URL in nonlinear ads. A without an gives the player no URL to load.
Why this matters in production
This is usually an interaction blocker. When a SIMID error reaches error level, the creative iframe or handshake typically never completes. Nonlinear SIMID issues usually show up as overlays that never render, render at the wrong size, or fail to initialize their iframe resource in the player.
SIMID 1.1 introduced support for nonlinear ads (overlays). A <NonLinear> element identified as a SIMID creative (via apiFramework="SIMID") must contain an <IFrameResource> child whose text content is the URL of the SIMID HTML creative. Per SIMID §3.5.1, the <IFrameResource> is the delivery mechanism for the SIMID iframe URL in nonlinear ads. A <NonLinear apiFramework="SIMID"> without an <IFrameResource> gives the player no URL to load.
How to fix
Add <IFrameResource type="text/html"> inside <NonLinear apiFramework="SIMID"> with the SIMID creative HTTPS URL as the text content.
Broader troubleshooting
If this rule is one part of a bigger SIMID delivery issue, start with the SIMID troubleshooting guide for a checklist covering iframe URLs, HTTPS, fallback media, and player support.
Invalid
<NonLinear apiFramework="SIMID" width="480" height="70">
<!-- missing <IFrameResource> -->
<AdParameters><![CDATA[{"adid":123}]]></AdParameters>
</NonLinear>Valid
<NonLinear apiFramework="SIMID" width="480" height="70">
<IFrameResource type="text/html">
<![CDATA[https://example.com/overlay.html]]>
</IFrameResource>
<AdParameters><![CDATA[{"adid":123}]]></AdParameters>
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