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# Create a DatastoreFile

The datastore features are all contained within the `Autonomy.Connector.Datastore` namespace. The samples in this section assume there is a using directive for this namespace at the beginning of the file:

           using Autonomy.Connector.Datastore;

You can access a datastore for the synchronize action like this:

           public override void Synchronize(ISynchronizeTask task)
           {
               using (DatastoreFile datastore = new DatastoreFile(
    			task.DatastoreFileName, task.Log))
               {
                   // Use datastore ...
               }
           }

This opens or creates the datastore in the file named in `task.DatastoreFileName`. If the datastore already exists the existing datastore is opened (the datastore is not created again). The `DatastoreFile` object provides access to the datastore. This object is disposable, so enclose it in a `using` block.

## Best Practice

Micro Focus recommends that you use the file named in `ISynchronizeTask.DatastoreFileName` to store all state information for the task. You can use the ``DatastoreFile`` object to store a datastore in that file, or use a format of your choosing.

The advantages of storing all state information in the file specified by `ISynchronizeTask.DatastoreFileName` include:

- ConnectorLib .NET chooses a unique file name that does not conflict with the names used for other tasks. The file name also respects configuration settings regarding the datastore location.
- The same file name is provided to other actions called for the same task (collect, view, insert, update, and so on.)
- The file is backed up and restored automatically if the `backup` and `restore` actions are used.

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