This will trigger the Configuration Baseline based on a parameter.

RunScripts-TriggerBaseline.ps1

#For using in "Run Script" Node.  Has Exit At end... will exit your ISE if you run in ISE. :-)
#Adopted from another script, so it has some Write-Hosts that don't really make sense in a CI, deal with it.

[CmdletBinding()]
    Param (
		    [Parameter(Mandatory=$true)]
		    $BaselineName="WaaS Pre-Assessment"
	    )


#Invoke Machine Policy
Invoke-WMIMethod -Namespace root\ccm -Class SMS_CLIENT -Name TriggerSchedule "{00000000-0000-0000-0000-000000000021}" | Out-Null
Invoke-WMIMethod -Namespace root\ccm -Class SMS_CLIENT -Name TriggerSchedule "{00000000-0000-0000-0000-000000000022}" | Out-Null
Start-Sleep -Seconds 120 

#Get Baseline Info
$DCM = [WMIClass] "ROOT\ccm\dcm:SMS_DesiredConfiguration"
$WaaSBaseline = Get-WmiObject -Namespace root\ccm\dcm -QUERY "SELECT * FROM SMS_DesiredConfiguration WHERE DisplayName LIKE ""$BaselineName""" -ErrorAction SilentlyContinue

   
#Display Baseline Info
#Trigger Baseline Status:
    
if ($WaaSBaseline -ne $null)
    {
    $DCM.TriggerEvaluation($WaaSBaseline.Name, $WaaSBaseline.Version) | Out-Null
    Start-Sleep -Seconds 120
    $WaaSBaseline = Get-WmiObject -Namespace root\ccm\dcm -QUERY "SELECT * FROM SMS_DesiredConfiguration WHERE DisplayName LIKE ""$BaselineName"""
    $LastEvalTime = $WaaSBaseline.LastEvalTime
    if ($LastEvalTime -ne $Null -and $LastEvalTime -notlike "000*" )
        {
        $LastEvalString = $LastEvalTime.Substring(0,14)
        #$LastEvalString = [MATH]::Round($LastEvalString)
        #$LastEvalString = $LastEvalString.ToString()
        $LastEvalString = [DateTime]::ParseExact($LastEvalString,"yyyyMMddHHmmss",$null)
        $EvalDifference = New-TimeSpan -End ([System.DateTime]::UtcNow) -Start $LastEvalString
        $EvalDifferenceHours = $EvalDifference.TotalHours    
        $UserReport = $DCM.GetUserReport($WaaSBaseline.Name,$WaaSBaseline.Version,$null,0)
        [XML]$Details = $UserReport.ComplianceDetails
        $WaaSNonCompliant = $Details.ConfigurationItemReport.ReferencedConfigurationItems.ConfigurationItemReport | Where-Object {$_.CIComplianceState -eq "NonCompliant"}
            
        if ($Details.ConfigurationItemReport.CIComplianceState -eq "Compliant")
            {
            $BaselineStatus = "Compliant"
            Write-OutPut "Baseline Status: $BaselineStatus"
            }
        Else
            {
            Invoke-WMIMethod -Namespace root\ccm -Class SMS_CLIENT -Name TriggerSchedule "{00000000-0000-0000-0000-000000000021}" | Out-Null
            Invoke-WMIMethod -Namespace root\ccm -Class SMS_CLIENT -Name TriggerSchedule "{00000000-0000-0000-0000-000000000022}" | Out-Null
            Start-Sleep -Seconds 180 
            $DCM.TriggerEvaluation($WaaSBaseline.Name, $WaaSBaseline.Version) | Out-Null
            Start-Sleep -Seconds 300 
            $WaaSBaseline = Get-WmiObject -Namespace root\ccm\dcm -QUERY "SELECT * FROM SMS_DesiredConfiguration WHERE DisplayName LIKE ""$BaselineName"""
            $WaaSNonCompliant = $Details.ConfigurationItemReport.ReferencedConfigurationItems.ConfigurationItemReport | Where-Object {$_.CIComplianceState -eq "NonCompliant"}
            $BaselineStatus = "NonCompliant"
            $UserReport = $DCM.GetUserReport($WaaSBaseline.Name,$WaaSBaseline.Version,$null,0)
            [XML]$Details = $UserReport.ComplianceDetails
            if ($Details.ConfigurationItemReport.CIComplianceState -eq "Compliant")
                {
                $BaselineStatus = "Compliant"
                Write-OutPut "Baseline Status: $BaselineStatus"
                }
            Else
                {
                Write-OutPut "Baseline Status:: $BaselineStatus"
                $NonCompliantNames = ForEach ($PA_Rule in $WaaSNonCompliant)
                {($PA_Rule).CIProperties.Name.'#text'}
                ForEach ($PA_Rule in $WaaSNonCompliant)
                    {
                    Write-OutPut "Rule: $($PA_Rule.CIProperties.Name.'#text')"
                    }
                #Write-OutPut"NonCompliant Items: $WaaSNonCompliant" -ForegroundColor Red
                $DCM.TriggerEvaluation($WaaSBaseline.Name, $WaaSBaseline.Version) | Out-Null
                }
            }
        }
    Else
        {
        $BaselineStatus = "No Status"
        Write-OutPut "Baseline Status: $BaselineStatus"
        $DCM.TriggerEvaluation($WaaSBaseline.Name, $WaaSBaseline.Version) | Out-Null
        }
    }
Else {Write-Output "No baseline named $BaselineName"} 


#Invoke Hardware Inventory Delta
Invoke-WMIMethod -Namespace root\ccm -Class SMS_CLIENT -Name TriggerSchedule "{00000000-0000-0000-0000-000000000001}" | Out-Null

Great script however there appears to be a typo in Line 12.
SMS_CLWIENT should be SMS_CLIENT

Thank you, updated.

Super helpful! Thank you!