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# Field.containsBiometricData Method

Module: Field

## Definition

Returns a value indicating whether the field (or one of its child fields) contains biometric data of the specified type and/or format.

    bool containsBiometricData(BiometricDataType biometricDataType, String? biometricFormat)

Parameters

`biometricDataType` BiometricDataType
in The biometric data type.
`biometricFormat` String
in The biometric data format.

Returns

`bool`
A value indicating whether the field (or one of its child fields) contains biometric data of the specified type and/or format.

Exceptions

BiosealException
An error has occurred during Bioseal Library execution.