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Checks whether the incoming value can be found in a storage you set up earlier. A storage is a place where Alumio keeps data between steps or runs, such as a list of identifiers you saved on a previous run. The condition goes through the items in the chosen storage and answers yes as soon as one of them matches the incoming value. Use this to act only on records you have already seen or already saved, for example to skip products that are already known, or to pick out the ones that are new. The Pattern lets you compare against a specific part of each stored item rather than the whole item, and the Comparator decides how the two values are compared.

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Fields

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Sample data

This condition reads from a configured storage backend, so what it matches depends on the items already saved there rather than on a fixed before and after. The example below looks in a storage of known products and, for each stored item, compares its sku field against the incoming value. The incoming value matches when a product with that SKU is already in the storage.
FieldValue
StorageA storage set up beforehand
Patternsku
ComparatorExact match (default)