function getUploadOptions () {
		if (cachedUploadOptions) {
			return cachedUploadOptions;
		}
		var tagPrefix = keystone.get('cloudinary prefix') || '';
		var uploadOptions = {
			tags: [],
		};
		if (tagPrefix.length) {
			uploadOptions.tags.push(tagPrefix);
			tagPrefix += '_';
		}
		uploadOptions.tags.push(tagPrefix + field.list.path + '_' + field.path);
		if (keystone.get('env') !== 'production') {
			uploadOptions.tags.push(tagPrefix + 'dev');
		}
		var folder = field.getFolder();
		if (folder) {
			uploadOptions.folder = folder;
		}
		cachedUploadOptions = uploadOptions;
		return uploadOptions;
	}
Updates the value for this field in the item from a data object