1.12 - Get SQL Service accounts TSql

/*SQL Service Account*/
DECLARE @ServiceaccountName varchar(250)
EXECUTE master.dbo.xp_instance_regread
N'HKEY_LOCAL_MACHINE', N'SYSTEM\CurrentControlSet\Services\MSSQLSERVER',
N'ObjectName',@ServiceAccountName OUTPUT, N'no_output'
SELECT @ServiceAccountName

/*SQL Agent Service Account*/
DECLARE @ServiceaccountName varchar(250)
EXECUTE master.dbo.xp_instance_regread
N'HKEY_LOCAL_MACHINE', N'SYSTEM\CurrentControlSet\Services\SQLServeragent',
N'ObjectName',@ServiceAccountName OUTPUT, N'no_output'
SELECT @ServiceAccountName