def createToolset(filename=None, overwrite=-1, rootPath = None):
    """
    createToolset(filename=None, overwrite=-1, rootPath = None) -> None

    Creates a tool preset based on the currently selected nodes. 

    @param filename: Saves the preset as a script with the given file name.
     @param overwrite: If 1 (true) always overwrite; if 0 (false) never overwrite; @param rootPath: If specified, use this as the root path to save the Toolset to. If not specified, save to the user's .nuke/Toolsets folder.  otherwise, in GUI mode ask the user, in terminal do same as False. Default  is -1, meaning 'ask the user'.
    """
    return None