CreatePBIDatasetWithPS.ps1

# PowerBI Username
$username = "user@customer.com.au"
# Password for PowerBI User
$password = "1tsAS3cr3t!" | convertto-securestring -AsPlainText -Force
# Client ID from the PowerBI Client App created as the pre-req's
$clientID = "71b5f022-abcd-4516-efgh-e32ede85beer"
$credentials = New-Object System.Management.Automation.PSCredential $Username,$password
# AuthN and get Token
$authToken = Get-PBIAuthToken -clientId $clientID -Credential $credentials 
# Look to see if our DataSet Exists
$dataSetUserMetadata = Get-PBIDataSet -authToken $authToken -name "Office365 License Reporting"

if (-not $dataSetUserMetadata)
{
  # If cannot find the DataSet create it with this schema	
  $dataSetUserSchema = @{
	name = "Office365 License Reporting"
	; tables = @(
		@{name = "Users"
		; columns = @( 
      			@{ name = "UPN"; dataType = "String"  }
            , @{ name = "objectID"; dataType = "String"  }					
      			, @{ name = "GivenName"; dataType = "String"  }
      			, @{ name = "Surname"; dataType = "String"  }
      			, @{ name = "DisplayName"; dataType = "String"  }
            , @{ name = "mail"; dataType = "String"  }
      			, @{ name = "AccountEnabled"; dataType = "Boolean"  }
			)}
		@{name = "User Provisioned Licenses"
		; columns = @( 
            @{ name = "objectID"; dataType = "String"  }					
            , @{ name = "UPN"; dataType = "String"  }
            , @{ name = "ProvisionedPlans"; dataType = "String"  }
			) 
        }
       	@{name = "User Assigned Licenses"
		; columns = @( 
            @{ name = "objectID"; dataType = "String"  }					
            , @{ name = "UPN"; dataType = "String"  }
            , @{ name = "AssignedPlans"; dataType = "String"  }
			) 
		}
        @{name = "License Plans"
		; columns = @( 
            @{ name = "objectID"; dataType = "String"  }					
            , @{ name = "skuId"; dataType = "String"  }
            , @{ name = "skuPartNumber"; dataType = "String"  }
            , @{ name = "suspended"; dataType = "Integer"  }
            , @{ name = "warning"; dataType = "Integer"  }
            , @{ name = "consumedUnits"; dataType = "Integer"  }
            , @{ name = "enabled"; dataType = "Integer"  }
			) 
		}
    )}

  $dataSetUserMetadata = New-PBIDataSet -authToken $authToken -dataSet $dataSetUserSchema -Verbose 
}