Public/New-LMDeviceProperty.ps1

Function New-LMDeviceProperty {

    [CmdletBinding(DefaultParameterSetName = 'Id')]
    Param (
        [Parameter(Mandatory, ParameterSetName = 'Id', ValueFromPipelineByPropertyName)]
        [Int]$Id,

        [Parameter(Mandatory, ParameterSetName = 'Name')]
        [String]$Name,

        [Parameter(Mandatory)]
        [String]$PropertyName,

        [Parameter(Mandatory)]
        [String]$PropertyValue
    )
    #Check if we are logged in and have valid api creds
    If ($Script:LMAuth.Valid) {

        If ($Name) {
            If ($Name -Match "\*") {
                Write-Error "Wildcard values not supported for device name." 
                return
            }
            $Id = (Get-LMDevice -Name $Name | Select-Object -First 1 ).Id
            If (!$Id) {
                Write-Error "Unable to find device with name: $Name, please check spelling and try again." 
                return
            }
        }
        
        #Build header and uri
        $ResourcePath = "/device/devices/$Id/properties"

        Try {
            $Data = @{
                name  = $PropertyName
                value = $PropertyValue
            }

            $Data = ($Data | ConvertTo-Json)

            $Headers = New-LMHeader -Auth $Script:LMAuth -Method "POST" -ResourcePath $ResourcePath -Data $Data 
            $Uri = "https://$($Script:LMAuth.Portal).logicmonitor.com/santaba/rest" + $ResourcePath

            Resolve-LMDebugInfo -Url $Uri -Headers $Headers[0] -Command $MyInvocation -Payload $Data

                #Issue request
            $Response = Invoke-RestMethod -Uri $Uri -Method "POST" -Headers $Headers[0] -WebSession $Headers[1] -Body $Data

            Return $Response
        }
        Catch [Exception] {
            $Proceed = Resolve-LMException -LMException $PSItem
            If (!$Proceed) {
                Return
            }
        }
    }
    Else {
        Write-Error "Please ensure you are logged in before running any commands, use Connect-LMAccount to login and try again."
    }
}