Public/New-ChatCompletionFunction.ps1

function New-ChatCompletionFunction {
    [OutputType([System.Collections.Specialized.OrderedDictionary])]
    [CmdletBinding(DefaultParameterSetName = 'PSCommand')]
    param (
        # [Parameter(ParameterSetName = 'Manual' , Mandatory, Position = 0)]
        # [ValidatePattern('^[a-zA-Z0-9_-]{1,64}$')]
        # [string]$Name,

        [Parameter(ParameterSetName = 'PSCommand' , Mandatory, Position = 0)]
        [ValidatePattern('^[a-zA-Z0-9_-]{1,64}$')]
        [ValidateScript({ (Get-Command $_ -ea Ignore) -is [CommandInfo] })]
        [string]$Command,

        # [Parameter(ParameterSetName = 'Manual')]
        [Parameter(ParameterSetName = 'PSCommand')]
        [string]$Description,

        # [Parameter(ParameterSetName = 'Manual')]
        # [System.Collections.IDictionary]$ParametersHashTable,

        # [Parameter(ParameterSetName = 'Manual', DontShow)]
        # [string]$ParametersType = 'object',

        [Parameter(ParameterSetName = 'PSCommand')]
        [ValidateNotNullOrEmpty()]
        [string[]]$IncludeParameters,

        [Parameter(ParameterSetName = 'PSCommand')]
        [ValidateNotNullOrEmpty()]
        [string[]]$ExcludeParameters,

        [Parameter(ParameterSetName = 'PSCommand')]
        [string]$ParameterSetName
    )

    # if ($PSCmdlet.ParameterSetName -eq 'Manual') {
    # New-ChatCompletionFunctionFromHashTable @PSBoundParameters
    # return
    # }
    # elseif ($PSCmdlet.ParameterSetName -eq 'PSCommand') {
    New-ChatCompletionFunctionFromPSCommand @PSBoundParameters
    return
    # }
}