/// <summary>
        /// Sets the field.
        /// </summary>
        /// <param name="field">The field.</param>
        /// <param name="value">The value.</param>
        /// <param name="config">The config.</param>
        /// <param name="context">The context.</param>
        public override void SetField(Sitecore.Data.Fields.Field field, object value, SitecoreFieldConfiguration config, SitecoreDataMappingContext context)
        {

            if (value == null)
            {
                return;
            }
            field.SetBlobStream(value as Stream);
        }