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# ExternalDictionaryCallback Object (IExternalDictionaryCallback Interface)

This is a callback interface which is used to deliver information about dictionary words to the recognizer.

## Methods

| Name                                                                                                                                              | Description                                                                                                                                                                                                                                                                        |
| ------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [ExternalDictionaryResult](/fine-reader/engine/api-reference/language-related-objects/externaldictionarycallback/externaldictionaryresult-method) | Delivers information about dictionary words to the recognizer. It is called from the [IExternalDictionary::CheckWords](/fine-reader/engine/api-reference/language-related-objects/iexternaldictionary-interface/checkwords-method) method which is implemented on the client-side. |

## Input parameter

This object is the input parameter of the [IExternalDictionary::CheckWords](/fine-reader/engine/api-reference/language-related-objects/iexternaldictionary-interface/checkwords-method) method.

## See also

[IExternalDictionary](/fine-reader/engine/api-reference/language-related-objects/iexternaldictionary-interface)