new tbale with constraint

gistfile1.txt

$tablename = 'BeardTable'
$ColumnMap = @()

$int = New-Object Microsoft.SqlServer.Management.Smo.DataType("Int")
$varchar = New-Object Microsoft.SqlServer.Management.Smo.DataType("varchar")
$datetime = New-Object Microsoft.SqlServer.Management.Smo.DataType("datetime")

$identityColumn = New-Object Microsoft.SqlServer.Management.Smo.Column($table, "Id", $int)
$identityColumn.Nullable = $false
$identityColumn.Identity = $true
$identityColumn.IdentitySeed = 1

$ConstraintColumn = New-Object Microsoft.SqlServer.Management.Smo.Column($tablename, "constraint", $varchar)
$ConstraintColumn.Nullable = $false
$ConstraintColumn.AddDefaultConstraint("DefConstraint")
$ConstraintColumn.DefaultConstraint.Text = 'Beard'

$TimeColumn = New-Object Microsoft.SqlServer.Management.Smo.Column($tablename, "Update_Time", $varchar)
$TimeColumn.Nullable = $false
$TimeColumn.AddDefaultConstraint("DefTime")
$TimeColumn.DefaultConstraint.Text = 'CURRENT_TIMESTAMP'

$UserColumn = New-Object Microsoft.SqlServer.Management.Smo.Column($tablename, "Update_User", $varchar)
$UserColumn.Nullable = $false
$UserColumn.AddDefaultConstraint("DefUser")
$UserColumn.DefaultConstraint.Text = 'SUSER_NAME()'

$ColumnMap += $identityColumn
$ColumnMap += $ConstraintColumn
$ColumnMap += $TimeColumn
$ColumnMap += $UserColumn

New-DbaDbTable -Database pubs -Name $tablename -ColumnObject $ColumnMap