Argument class to pass data through pipelines

DownloadEventIndexableLoadFieldsPipelineArgs.cs

public class DownloadEventIndexableLoadFieldsPipelineArgs : IndexableLoadFieldsPipelineArgs
{
    public DownloadEventIndexableLoadFieldsPipelineArgs(PageEventData eventData, string url, Guid interactionId, Guid contactId)
    {
        this.EventData = eventData;
        this.Url = url;
        this.InteractionId = interactionId;
        this.ContactId = contactId;
    }

    public PageEventData EventData { get; private set; }

    public string Url { get; private set; }

    public Guid InteractionId { get; private set; }

    public Guid ContactId { get; private set; }
}