Currently, as of my knowledge, Microsoft hasn’t officially published a comprehensive set of XML configuration keys for OneDrive’s iOS app. For something like Camera Upload, these settings would ideally need to be configured either via Intune or another Mobile Device Management system that integrates with OneDrive, and such settings might not be fully exposed through a simple XML.
In Intune, we usually use app configuration policies to customize app settings. However, currently the CameraUploadEnabled is not the available key in the app configuration policies. Meanwhile, to get this option in Intune, I recommend you give suggestion in the feedback portal and help to make improvements.
https://learn.microsoft.com/en-us/mem/intune/apps/app-configuration-policies-use-ios
Alternatively, if you're using a Managed App Configuration profile with Jamf, there may be specific key-value pairs for configuring the Camera Upload feature. But Microsoft Q&A forum does not offer support for third-party software, I suggest you get dedicated support in the Jamf community.
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