QCloudSMHDeleteObjectRequest *req = [QCloudSMHDeleteObjectRequest new];
// Media Library ID, required parameter
req.libraryId = @"libraryId";
// Space ID. If the media library is in single-tenant mode, this parameter is fixed as a hyphen (-); if the media library is in multi-tenant mode, you must specify this parameter.
req.spaceId = @"spaceId";
NSMutableArray *batchInfos = [NSMutableArray array];
QCloudSMHBatchDeleteInfo *info = [QCloudSMHBatchDeleteInfo new];
// Deleted directory, album, or file path;
info.path = testDirName;
[batchInfos addObject:info];

req.batchInfos = [batchInfos copy];
[req setFinishBlock:^(QCloudSMHBatchResult *result, NSError *_Nullable error) {

}];
[[QCloudSMHService defaultSMHService]deleteObject:req];