ReadXMLDataStepConverter.cs

public class ReadXMLDataStepConverter : BasePipelineStepConverter<ItemModel>
    {
        // the id from the pipeline step template you created named Read XML Data Pipeline Step.
        private static readonly Guid TemplateId = Guid.Parse("{00191A02-F1B4-406C-B3CB-60568CCDD6D3}");
        public ReadXMLDataStepConverter(IItemModelRepository repository) : base(repository)
        {
            this.SupportedTemplateIds.Add(TemplateId);
        }
        protected override void AddPlugins(ItemModel source, PipelineStep pipelineStep)
        {
            AddEndpointSettings(source, pipelineStep);
        }
        private void AddEndpointSettings(ItemModel source, PipelineStep pipelineStep)
        {
            //create the endpoint settings
            var settings = new EndpointSettings();

            //populate the endpoint settings using values from the item
            var endpointFrom = base.ConvertReferenceToModel<Endpoint>(source, ReadXMLDataStepItemModel.EndpointFrom);
            if (endpointFrom != null)
            {
                settings.EndpointFrom = endpointFrom;
            }

            //add the endpoint settings to the pipeline step    
            pipelineStep.Plugins.Add(settings);
        }
    }