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Deleting Lifecycle Rules

You can call deleteBucketLifecycle to view the lifecycle rules of a bucket. Sample code is as follows: 
 static OBSClient *client;
NSString *endPoint = @"your-endpoint";
NSString *SK = @"*** Provide your Secret Key ***";
NSString *AK = @"*** Provide your Access Key ***";
    
// Initialize identity authentication.
OBSStaticCredentialProvider *credentialProvider = [[OBSStaticCredentialProvider alloc] initWithAccessKey:AK secretKey:SK];
    
//Initialize service configuration.
OBSServiceConfiguration *conf = [[OBSServiceConfiguration alloc] initWithURLString:endPoint credentialProvider:credentialProvider];
    
// Initialize an instance of OBSClient.
client = [[OBSClient alloc] initWithConfiguration:conf];
// Delete lifecycle rules.
OBSDeleteBucketLifecycleRequest *request = [[OBSDeleteBucketLifecycleRequest alloc] initWithBucketName:@"bucketname"];
[client deleteBucketLifecycle:request completionHandler:^(OBSDeleteBucketLifecycleResponse *response, NSError *error){
        NSLog(@"%@",response);
}];
Parent topic: Lifecycle Management