Where to put an Alias attribute in a function

AliasInAFunction.ps1

function Get-VideoPlayBackTime {
    <#
    comment based help
    #>
    [Alias('video')] # <-- This guy!
    [CmdletBinding()]
    [OutputType([PSCustomObject])]
    param (
        # Minutes of the video only
        [Parameter(Position = 0)]
        [int]$Minutes = 0,

        # Seconds of the video left over after minutes
        [Parameter(Mandatory,
            Position = 1)]
        [int]$Seconds,

        # Speed up value for the video defaulting to 1.5
        [Parameter(Position = 3)]
        [ValidateSet('0.25', '0.5', '0.75', '1', '1.25', '1.5', '2')]
        [double]$SpeedUp = 1.5
    )
    <#
      the rest of the code
    #>