[C#]
    event TSBASiCCAdESExternalSignEvent OnExternalCAdESSign;
    delegate void TSBASiCCAdESExternalSignEvent(Object Sender, TElCMSSignature Signature, TElX509Certificate SigningCertificate, TElCustomCertStorage Chain);

[VB.NET]
    Event OnExternalCAdESSign As TSBASiCCAdESExternalSignEvent
    Delegate Sub TSBASiCCAdESExternalSignEvent(ByVal Sender As Object, ByVal Signature As TElCMSSignature, ByVal SigningCertificate As TElX509Certificate, ByVal Chain As TElCustomCertStorage)

[Pascal]
    property OnExternalCAdESSign : TSBASiCCAdESExternalSignEvent;
    TSBASiCCAdESExternalSignEvent = procedure(Sender : TObject; Signature : TElCMSSignature; SigningCertificate : TElX509Certificate; Chain : TElCustomCertStorage) of object;

[C++]
    not available

[PHP]
    TSBASiCCAdESExternalSignEvent|callable|NULL get_OnExternalCAdESSign()
    void set_OnExternalCAdESSign(TSBASiCCAdESExternalSignEvent|callable|NULL $Value)
    callable TSBASiCCAdESExternalSignEvent(TObject $Sender, TElCMSSignature $Signature, TElX509Certificate $SigningCertificate, TElCustomCertStorage $Chain)

[Java]
    TSBASiCCAdESExternalSignEvent getOnExternalCAdESSign();
    void setOnExternalCAdESSign(TSBASiCCAdESExternalSignEvent Value);
    TSBASiCCAdESExternalSignEvent.Callback OnExternalCAdESSign = new TSBASiCCAdESExternalSignEvent.Callback() {
        public void TSBASiCCAdESExternalSignEventCallback(TObject Sender, TElCMSSignature Signature, TElX509Certificate SigningCertificate, TElCustomCertStorage Chain) {
            //...
        }
    }