QCloudSMHInitiateSearchRequest *req = [QCloudSMHInitiateSearchRequest 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";
// Search scope, specify the directory to search, for example, to search the root directory, you can specify an empty string, "/", or leave the field unspecified
req.scope = scopeDir.totalPath;
// Search keywords, multiple keywords can be separated by spaces, the relationship between keywords is "OR" with priority display of projects matching more keywords;
req.keyword = @"keyWord";
// Search type, string or string array QCloudSMHSearchType
req.searchTypes = @[@(type)];
[req setFinishBlock:^(QCloudSMHSearchListInfo *_Nullable result, NSError *_Nullable error) {

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

QCloudSMHResumeSearchRequest *req = [QCloudSMHResumeSearchRequest new];
// Media Library ID, required parameter
req.libraryId = self.userModel.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 = scopeDir.teamInfo.spaceId;
// Search task ID returned during search initialization
req.searchId = searchId;
// Pagination identifier, the nextMarker field returned when creating a search task or continuing to retrieve search results;
req.nextMarker = nextMarker;
[req setFinishBlock:^(QCloudSMHSearchListInfo *_Nullable result, NSError *_Nullable error) {

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

QCloudSMHAbortSearchRequest *req = [QCloudSMHAbortSearchRequest new];
// Media Library ID, required parameter
req.libraryId = self.userModel.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 = scopeDir.teamInfo.spaceId;
// Search task ID
req.searchId = @"searchId";
[req setFinishBlock:^(QCloudSMHSearchListInfo *_Nullable result, NSError *_Nullable error) {
    if (error) {
        [liveData postError:error];
        return;
    } else {
        [liveData postValueAndComplete:searchId];
    }
}];
[[QCloudSMHService defaultSMHService] abortSearch:req];