getThumbnailImageSize

Indicate what size of image will be used for the single thumbnail image that is returned when contentDetails is set to low, medium or high. The available thumbnail image sizes are: - t : Thumbnail - s : Small - b : Big - y : 500x500v - z : 1000x1000v Resolution from smallest to largest is t < s < b < y < z. If no thumbnailImageSize is specified, the t size images will be returned. if no thumbnail image found, it would not return thumbnail image. Only one thumbnail image size is allowed.