At this time, modifiers can only be marked as Sold Out directly through the Dashboard or POS, and that status is exposed to apps as read-only. The current API does not provide any endpoint or permission to set or update the sold-out state of modifiers programmatically. As a result, it isn’t possible to mass update modifier availability across multiple SKUs via the API, nor to automate this behavior or apply stock tracking specifically at the modifier level. Any changes to modifier availability must be handled manually within the Dashboard or POS, and apps can only consume the resulting status for display or logic purposes, not modify it. EZ Pass MA