vars( [options] )
    Returns a list of variable names in the current workspace.

    Parameters
    ----------
    options: Object (optional)
    	Options.

    options.include: RegExp (optional)
    	Variable name inclusion filter.

    options.exclude: RegExp (optional)
    	Variable name exclusion filter.

    options.types: ArrayLikeObject (optional)
    	Variable type inclusion filter(s).

    options.details: boolean (optional)
    	Boolean indicating whether to include additional variable details, such
    	as variable type, contents, etc. Default: false.

    Examples
    --------
    > vars()
    > vars( { 'details': true } )

    See Also
    --------
    help, info, varsWorkspace