Export XML

 Get-ScheduledTask | Where-Object TaskName -Match SQLA | ForEach-Object {
 $Taskname = $_.taskname
 $TaskPath = $_.TaskPath
 Export-ScheduledTask -TaskName $Taskname -TaskPath $TaskPath | out-file .\$Taskname.xml
 }

Import XML

$xmlpath = 'D:\OMS\SQLAssessment_0206202001595159_Targets_2.xml'
$taskname = "SQLAssessment_0206202001595159_Targets_2"
$taskpath = '\Microsoft\Operations Management Suite\AOI-a218160d-6b6f-438e-9d52-45af76461cda\Assessments\SQLAssessment\'
Register-ScheduledTask -xml (Get-Content $xmlpath | Out-String) -TaskName $taskname -TaskPath $taskpath -User kenzo\admin-ild –Force