private async Task <bool> InitTANMedium(FinTsClient client) { // TAN-Medium-Name var accounts = await client.Accounts(_tanDialog); if (!accounts.IsSuccess) { HBCIOutput(accounts.Messages); return(false); } var conn = client.ConnectionDetails; AccountInformation accountInfo = UPD.HIUPD?.GetAccountInformations(conn.Account, conn.Blz.ToString()); if (accountInfo != null && accountInfo.IsSegmentPermitted("HKTAB")) { client.HITAB = txt_tan_medium.Text; } return(true); }