QCloudPutBucketLifecycleRequest* request = [QCloudPutBucketLifecycleRequest new];

// Bucket name in the format of BucketName-Appid, which can be viewed in the COS console at https://console.tencentcloud.com/cos5/bucket
request.bucket = @"examplebucket-1250000000";
__block QCloudLifecycleConfiguration* lifecycleConfiguration =
[[QCloudLifecycleConfiguration alloc] init];

// Rule description
QCloudLifecycleRule* rule = [[QCloudLifecycleRule alloc] init];

// Unique rule ID
rule.identifier = @"identifier";

// Indicates whether the rule is enabled. Enumerated values: Enabled, Disabled
rule.status = QCloudLifecycleStatueEnabled;

// Describes the set of objects subject to the rule
QCloudLifecycleRuleFilter* filter = [[QCloudLifecycleRuleFilter alloc] init];

// Specifies the prefix to which the rule applies. Objects that match the prefix are subject to the rule. You can specify at most one prefix
filter.prefix = @"prefix1";

// Describes the set of objects subject to the rule
rule.filter = filter;

// Transition attribute of the rule, specifying when an object should transition to Standard_IA or ARCHIVE storage class
QCloudLifecycleTransition* transition = [[QCloudLifecycleTransition alloc] init];

// Specifies the number of days after which the object is last modified that the action in the rule will be performed
transition.days = 100;

// Specifies the transitioned storage class of object. Enumerated values: Standard_IA, ARCHIVE
transition.storageClass = QCloudCOSStorageStandardIA;
rule.transition = transition;
request.lifeCycle = lifecycleConfiguration;

// Lifecycle configuration
request.lifeCycle.rules = @[rule];
[request setFinishBlock:^(id outputObject, NSError* error) {
    // `outputObject` contains all the HTTP response headers
    NSDictionary* info = (NSDictionary *) outputObject;
}];

[[QCloudCOSXMLService defaultCOSXML] PutBucketLifecycle:request];

let putBucketLifecycleReq = QCloudPutBucketLifecycleRequest.init();

// Bucket name in the format of BucketName-Appid, which can be viewed in the COS console at https://console.tencentcloud.com/cos5/bucket
putBucketLifecycleReq.bucket = "examplebucket-1250000000";

let config = QCloudLifecycleConfiguration.init();

// Rule description
let rule = QCloudLifecycleRule.init();

// Unique rule ID
rule.identifier = "swift";

// Indicates whether the rule is enabled. Enumerated values: Enabled, Disabled
rule.status = .enabled;

// Describes the set of objects subject to the rule
let fileter = QCloudLifecycleRuleFilter.init();

// Specifies the prefix to which the rule applies. Objects that match the prefix are subject to the rule. You can specify at most one prefix
fileter.prefix = "0";

// Describes the set of objects subject to the rule
rule.filter = fileter;

// Transition attribute of the rule, specifying when an object should transition to Standard_IA or ARCHIVE storage class
let transition = QCloudLifecycleTransition.init();

// Specifies the number of days after which the object is last modified that the action in the rule will be performed
transition.days = 100;

// Specifies the transitioned storage class of object. Enumerated values: Standard_IA, ARCHIVE
transition.storageClass = .standardIA;

rule.transition = transition;

putBucketLifecycleReq.lifeCycle = config;

// Lifecycle configuration
putBucketLifecycleReq.lifeCycle.rules = [rule];

putBucketLifecycleReq.finishBlock = {(result,error) in
    if let result = result {
        // "result" contains response headers.
    } else {
        print(error!);
    }
}
QCloudCOSXMLService.defaultCOSXML().putBucketLifecycle(putBucketLifecycleReq);

QCloudGetBucketLifecycleRequest* request = [QCloudGetBucketLifecycleRequest new];

// Bucket name in the format of BucketName-Appid, which can be viewed in the COS console at https://console.tencentcloud.com/cos5/bucket
request.bucket = @"examplebucket-1250000000";
[request setFinishBlock:^(QCloudLifecycleConfiguration* result,NSError* error) {
    // You can get the returned information from result
    // `result.rules` is the array of rule descriptions

}];
[[QCloudCOSXMLService defaultCOSXML] GetBucketLifecycle:request];

let getBucketLifeCycle = QCloudGetBucketLifecycleRequest.init();
getBucketLifeCycle.bucket = "examplebucket-1250000000";
getBucketLifeCycle.setFinish { (config, error) in
    if let config = config {
        // Lifecycle rule
        let rules = config.rules
    } else {
        print(error!);
    }

};
QCloudCOSXMLService.defaultCOSXML().getBucketLifecycle(getBucketLifeCycle);

QCloudDeleteBucketLifeCycleRequest* request =
[[QCloudDeleteBucketLifeCycleRequest alloc ] init];

// Bucket name in the format of BucketName-Appid, which can be viewed in the COS console at https://console.tencentcloud.com/cos5/bucket
request.bucket = @"examplebucket-1250000000";

[request setFinishBlock:^(QCloudLifecycleConfiguration* deleteResult, NSError* error) {
    // Returns the deletion result
}];
[[QCloudCOSXMLService defaultCOSXML] DeleteBucketLifeCycle:request];

let deleteBucketLifeCycle = QCloudDeleteBucketLifeCycleRequest.init();
deleteBucketLifeCycle.bucket = "examplebucket-1250000000";
deleteBucketLifeCycle.finishBlock = { (result, error) in
    if let result = result {
        // "result" contains response headers.
    } else {
        print(error!);
    }
};
QCloudCOSXMLService.defaultCOSXML().deleteBucketLifeCycle(deleteBucketLifeCycle);