@property
def marker(self):
    "\n        The 'marker' property is an instance of Marker\n        that may be specified as:\n          - An instance of :class:`plotly.graph_objs.histogram2dcontour.Marker`\n          - A dict of string/value properties that will be passed\n            to the Marker constructor\n\n            Supported dict properties:\n\n                color\n                    Sets the aggregation data.\n                colorsrc\n                    Sets the source reference on Chart Studio Cloud\n                    for `color`.\n\n        Returns\n        -------\n        plotly.graph_objs.histogram2dcontour.Marker\n        "
    return self['marker']
The 'marker' property is an instance of Marker
that may be specified as:
  - An instance of :class:`plotly.graph_objs.histogram2dcontour.Marker`
  - A dict of string/value properties that will be passed
    to the Marker constructor

    Supported dict properties:

        color
            Sets the aggregation data.
        colorsrc
            Sets the source reference on Chart Studio Cloud
            for `color`.

Returns
-------
plotly.graph_objs.histogram2dcontour.Marker
@property
def marker(self):
    "\n        The 'marker' property is an instance of Marker\n        that may be specified as:\n          - An instance of :class:`plotly.graph_objs.histogram2dcontour.Marker`\n          - A dict of string/value properties that will be passed\n            to the Marker constructor\n\n            Supported dict properties:\n\n                color\n                    Sets the aggregation data.\n                colorsrc\n                    Sets the source reference on Chart Studio Cloud\n                    for `color`.\n\n        Returns\n        -------\n        plotly.graph_objs.histogram2dcontour.Marker\n        "
    return self['marker']