Public/Start-GitHubWorkflow.ps1

function Start-GitHubWorkflow {
    [CmdletBinding()]
    param (
        $Owner = $script:Owner,
        $Repo = $script:Repo,
        $Token = $script:Token ,
        [Alias('workflow_id')]
        [Parameter(
            Mandatory,
            ValueFromPipelineByPropertyName
        )]
        [string] $ID,

        [Parameter(
            ValueFromPipelineByPropertyName
        )]
        [Alias('branch', 'tag')]
        [string] $Ref = 'main'
    )
    begin {}
    process {
        # API Reference
        # https://docs.github.com/en/free-pro-team@latest/rest/actions/workflows?apiVersion=2022-11-28#create-a-workflow-dispatch-event
        $APICall = @{
            Uri     = "$APIBaseURI/repos/$Owner/$Repo/actions/workflows/$ID/dispatches"
            Headers = @{
                Authorization  = "token $Token"
                'Content-Type' = 'application/json'
            }
            Method  = 'POST'
            Body    = @{
                ref = $Ref
            } | ConvertTo-Json -Depth 100
        }
        try {
            if ($PSBoundParameters.ContainsKey('Verbose')) {
                $APICall
            }
            $Response = Invoke-RestMethod @APICall
        } catch {
            throw $_
        }
        return $Response
    }
    end {}
}