Web Service Call for creating a directory in SharePoint?

What webservice call creates folders/directories (and sub dir开发者_StackOverflow社区ectories)?

I looked at the list of methods here (and in the list of calls I retrieved from SOAP_UI/Burp Proxy from the lists.aspm?wsdl file.

I'm looking to programmaticly duplicate the functionality of a user:

1. Logging into SharePoint using the Web Interface
2. Entering a specific list.
3. Clicking the new folder/directory button and naming the new directory something.

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You can use Lists.UpdateListItems for this. See http://msdn.microsoft.com/en-us/library/lists.lists.updatelistitems(v=office.12).aspx for examples.