def METHOD_NAME(
    resolution="01d", region=None, registration=None
):
    r"""
    Load the IGPP Global Earth Vertical Gravity Gradient in various
    resolutions.
    The grids are downloaded to a user data directory
    (usually ``~/.gmt/server/earth/earth_vgg/``) the first time you invoke
    this function. Afterwards, it will load the grid from the data directory.
    So you'll need an internet connection the first time around.
    These grids can also be accessed by passing in the file name
    **@earth_vgg**\_\ *res*\[_\ *reg*] to any grid plotting/processing
    function. *res* is the grid resolution (see below), and *reg* is grid
    registration type (**p** for pixel registration or **g** for gridline
    registration).
    The default color palette table (CPT) for this dataset is *@earth_vgg.cpt*.
    It's implicitly used when passing in the file name of the dataset to any
    grid plotting method if no CPT is explicitly specified. When the dataset
    is loaded and plotted as an :class:`xarray.DataArray` object, the default
    CPT is ignored and GMT's default CPT (*turbo*) is used. To use the
    dataset-specific CPT, you need to explicitly set ``cmap="@earth_vgg.cpt"``.
    Refer to :gmt-datasets:`earth-vgg.html` for more details.
    Parameters
    ----------
    resolution : str
        The grid resolution. The suffix ``d`` and ``m`` stand for
        arc-degrees and arc-minutes. It can be ``"01d"``, ``"30m"``,
        ``"20m"``, ``"15m"``, ``"10m"``, ``"06m"``, ``"05m"``, ``"04m"``,
        ``"03m"``, ``"02m"``, or ``"01m"``.
    region : str or list
        The subregion of the grid to load, in the form of a list
        [*xmin*, *xmax*, *ymin*, *ymax*] or a string *xmin/xmax/ymin/ymax*.
        Required for grids with resolutions higher than 5
        arc-minutes (i.e., ``"05m"``).
    registration : str
        Grid registration type. Either ``"pixel"`` for pixel registration or
        ``"gridline"`` for gridline registration. Default is ``"gridline"``
        for all resolutions except ``"01m"`` which is ``"pixel"`` only.
    Returns
    -------
    grid : :class:`xarray.DataArray`
        The Earth vertical gravity gradient grid. Coordinates are latitude and
        longitude in degrees. Units are in Eotvos.
    Note
    ----
    The registration and coordinate system type of the returned
    :class:`xarray.DataArray` grid can be accessed via the GMT accessors
    (i.e., ``grid.gmt.registration`` and ``grid.gmt.gtype`` respectively).
    However, these properties may be lost after specific grid operations (such
    as slicing) and will need to be manually set before passing the grid to any
    PyGMT data processing or plotting functions. Refer to
    :class:`pygmt.GMTDataArrayAccessor` for detailed explanations and
    workarounds.
    Examples
    --------
    >>> from pygmt.datasets import load_earth_vertical_gravity_gradient
    >>> # load the default grid (gridline-registered 1 arc-degree grid)
    >>> grid = load_earth_vertical_gravity_gradient()
    >>> # load the 30 arc-minutes grid with "gridline" registration
    >>> grid = load_earth_vertical_gravity_gradient(
    ...     resolution="30m", registration="gridline"
    ... )
    >>> # load high-resolution (5 arc-minutes) grid for a specific region
    >>> grid = load_earth_vertical_gravity_gradient(
    ...     resolution="05m",
    ...     region=[120, 160, 30, 60],
    ...     registration="gridline",
    ... )
    """
    grid = _load_remote_dataset(
        dataset_name="earth_vgg",
        dataset_prefix="earth_vgg_",
        resolution=resolution,
        region=region,
        registration=registration,
    )
    return grid