Public/Person/Get-PopuliPerson.ps1

function Get-PopuliPerson
{
    [alias("Get-PopuliStudent")]

    [CmdletBinding(DefaultParametersetName='PersonId', PositionalBinding=$true)]
    param
    (
        [Parameter(ParameterSetName='PersonId', Mandatory=$true)][string]$PersonId,
        [Parameter(ParameterSetName='StudentId', Mandatory=$true)][string]$StudentId,
        [Parameter(Mandatory=$false)][ValidateLength(200,999)][string]$PopuliToken = $env:PopuliToken,
        [Parameter(Mandatory=$false)][ValidatePattern('^(?i)https:\/\/\S+\.populiweb\.com\/?$')][string]$BaseUrl = $env:PopuliBaseUrl
    )


    try
    {

        if ($BaseUrl -match '\/$')
        {
            $BaseUrl = $BaseUrl -replace '\/$'
        }

        $header = @{
            Authorization = $PopuliToken
        }

        $body = @{
            task = 'getPerson'
        }

        if ($PSBoundParameters.Keys -contains 'PersonId')
        {
            $body += @{person_id = $PersonId}
        }
        elseif ($PSBoundParameters.Keys -contains 'StudentId')
        {
            $body += @{student_id = $StudentId}
        }
        else 
        {
            throw "-PersonId or -StudentId must be specified"
        }

        $response = Invoke-RestMethod -Uri "$BaseUrl/api/" -Method POST -ContentType 'application/x-www-form-urlencoded' -Body $body -Headers $header

        $person = $response.response

        Write-Log "Returning person with Id ""$PersonId$StudentId"". Returned user: $($person.first) $($person.last) ($($person.username))"

        return $person
    }
    catch
    {
        Write-Log "Error getting tags" -LogType: error -ErrorObject $_
        Write-Error $_

        return $null
    }


}