developer/api/v1/apps/Update-Application.ps1

function Update-Application
{
    [CmdletBinding(SupportsShouldProcess)]
    param(
        [Parameter(Mandatory)]
        [object] $App
    )

    if ($PSCmdlet.ShouldProcess($App.alias))
    {
        return Invoke-Api Put "/developer/api/v1/apps/$($App.alias)" -JsonBody $App
    }
}