PowerShell -

Use the PowerShell Step to embed your own scripts.

!Requirement
You must set the #PowerShell Execution Policy” for the machine
to Risricted or Unrestriced.
To set the policy on the computer start PowerShell in administrator mode and run the following command:
Set-ExecutionPolicy -ExecutionPolicy Restricted

CMDLET	SMART Migration built-in PowerShell CMDLETs to interface your scripts
Get-FlowVariable	Assign the value from a SMART Migration Variable to a PowerShell variable.
Set-FlowVariable	Assign the value from a PowerShell variable to a SMART Migration Variable.
Add-FlowLogRow	Add a row to the SMART Migration Session Log. You can optionally set the outcome of the PowerShell Step to Ok/Warning/Error
Connect-PnPOnline	Connect to SharePoint from PowerShell using a SMART Migration connection

PowerShell samples