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For advanced uses, the foundset property can be linked to/interact with other property types (dataprovider, tagstring, component, ...), so that those other properties will provide a viewport as well - representing the  the same rows/records as in the foundset's viewport. The properties that support foundset view of data will allow the web component to specify a "forFoundset: "[foundsetPropertyName]" in their own property's description in the .spec file.

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