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Keeps an item only when it passes a JSON schema check. A JSON schema is a description of the shape your data should have: which fields are required, what type each one should be, and what values are allowed. Use this to let through only the well-formed records, for example products that have a text SKU and a numeric price, while filtering out the ones that don’t. You can validate the whole item or just one part of it.

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Fields

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Sample data

This filter answers yes or no for each item, so there is no before and after. The example uses a schema that requires a text sku and a numeric price.
FieldValue
Schemarequires sku (text) and price (number)
Incoming itemResult
{ "sku": "A-100", "price": 19.99 }matches
{ "sku": "B-200" }does not match
The first item is kept because it has both a text SKU and a numeric price. The second is filtered out because it is missing price.