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maliashwini-3245 asked romungi-MSFT commented

Can I compose pre-built model of form recognizer with custom model.

Can I compose pre-built model of form recognizer with custom model.

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romungi-MSFT answered

@maliashwini-3245 Pre built models cannot be used in compose models. Composed model supports only custom models that are trained for different form types but can be clubbed under a single model id i.e composed model id. The following are supported for composed model as listed in the documentation.


Custom form and Custom document models can be composed together into a single composed model when they're trained with the same API version or an API version later than 2021-01-30-preview. For more information on composing custom template and custom neural models, see compose model limits.
- With the model compose operation, you can assign up to 100 trained custom models to a single composed model. To analyze a document with a composed model, Form Recognizer first classifies the submitted form, chooses the best-matching assigned model, and returns results.
- For custom template models, the composed model can be created using variations of a custom template or different form types. This operation is useful when incoming forms may belong to one of several templates.
- The response will include a docType property to indicate which of the composed models was used to analyze the document.


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