How to retrieve the id inserted in sqlserver database using delphi datasnap

How to get the id that has just been inserted into the database on the server side, use Delphi XE10.1 SQlServer and Firedac Bank, I would get the id to use in the child table when it is master detail. as shown below

procedure TsrmCadastro.dspPessoaBeforeUpdateRecord(Sender: TObject;
    SourceDS: TDataSet; DeltaDS: TCustomClientDataSet; UpdateKind: TUpdateKind;var Applied: Boolean);

var idPessoa : Integer;

begin
if UpdateKind = ukInsert then
begin
  if SourceDS = qryPessoa then
  Begin
    idPessoa              := ????????;
  End
  Else if SourceDS = qryPessoaJuridica then
  Begin
    DeltaDS.FieldByName('pessoa_juridica_id').NewValue := idPessoa;
  End;
end;