Copy file

curl -X POST https://api.box.com/2.0/files/12345/copy \
     -H 'Authorization: Bearer <ACCESS_TOKEN>'
     -H 'Content-Type: application/json" '
     -d '{
       "parent": {
         "id": "123"
       }
     }'

string fileId = "11111";
string destinationFolderId = "22222";
var requestParams = new BoxFileRequest()
{
    Id = fileId,
    Parent = new BoxRequestEntity()
    {
        Id = destinationFolderId
    }
};

BoxFile fileCopy = await client.FilesManager.CopyAsync(requestParams);

// Copy a file into the user's root folder
BoxFolder rootFolder = BoxFolder.getRootFolder(api);
BoxFile file = new BoxFile(api, "id");
BoxFile.Info copiedFileInfo = file.copy(rootFolder, "New Name");

file_id = '11111'
destination_folder_id = '44444'

file_to_copy = client.file(file_id)
destination_folder = client.folder(destination_folder_id)

file_copy = file_to_copy.copy(destination_folder)
print('File "{0}" has been copied into folder "{1}"'.format(file_copy.name, file_copy.parent.name))

var fileID = '11111';
var destinationFolderID = '22222';
client.files.copy(fileID, destinationFolderID)
	.then(fileCopy => {
		/* fileCopy -> {
			type: 'file',
			id: '11112',
			file_version: 
				{ type: 'file_version',
				id: '99999',
				sha1: '0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33' },
			sequence_id: '0',
			etag: '0',
			sha1: '0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33',
			name: 'My File.pdf',
			description: '',
			size: 68431,
			path_collection: 
				{ total_count: 1,
				entries: 
				[ { type: 'folder',
					id: '0',
					sequence_id: null,
					etag: null,
					name: 'All Files' },
					{ type: 'folder',
					id: '22222',
					sequence_id: null,
					etag: null,
					name: 'Personal Files' } ] },
			created_at: '2017-05-16T15:18:02-07:00',
			modified_at: '2017-05-16T15:18:02-07:00',
			trashed_at: null,
			purged_at: null,
			content_created_at: '2017-05-16T15:18:02-07:00',
			content_modified_at: '2017-05-16T15:18:02-07:00',
			created_by: 
				{ type: 'user',
				id: '33333',
				name: 'Test User',
				login: 'test@example.com' },
			modified_by: 
				{ type: 'user',
				id: '33333',
				name: 'Test User',
				login: 'test@example.com' },
			owned_by: 
				{ type: 'user',
				id: '33333',
				name: 'Test User',
				login: 'test@example.com' },
			shared_link: null,
			parent: 
				{ type: 'folder',
				id: '22222',
				sequence_id: null,
				etag: null,
				name: 'Personal Files' }
			item_status: 'active' }
		*/
	});

client.files.copy(fileId: "11111", parentId: "0") { (result: Result<File, BoxSDKError>) in
    guard case let .success(copiedFile) = result else {
        print("Error copying file")
        return
    }

    print("Copied file \(copiedFile.name) into folder \(copiedFile.parent.name); copy has file ID \(copiedFile.id)")
}