public void setKeyMaterial(ExportKeyMaterial keyMaterial) {
        this.keyMaterial = keyMaterial;
    }
<p>
The key block format type, for example, TR-34 or TR-31, to use during key material export.
</p>

@param keyMaterial
       The key block format type, for example, TR-34 or TR-31, to use during key material export.
aws-java-sdk-paymentcryptography/src/main/java/com/amazonaws/services/paymentcryptography/model/ExportKeyRequest.java