Hi Ludovico,
The macro in the
IAB VAST spec is [APPNAME] or [APPBUNDLE]. For app ads, a platform-specific application identifier, bundle or package name and should not be an app store ID such as iTunes store ID. I checked the
macros page from Ad Manager Forum and couldn't find [BUNDLEID]. We suggest you reach out to your ad provider to determine what they meant by that macro.
Regards,

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