code: def _prop_descriptions(self):
      return """\
          color
              Sets the final color of the gradient fill: the center
              color for radial, the right for horizontal, or the
              bottom for vertical.
          colorsrc
              Sets the source reference on Chart Studio Cloud for
              color .
          type
              Sets the type of gradient used to fill the markers
          typesrc
              Sets the source reference on Chart Studio Cloud for
              type .
          """
  
file_path: catboost/contrib/python/plotly/py2/plotly/graph_objs/scatter/marker/_gradient.py
imports: from plotly.basedatatypes import BaseTraceHierarchyType
  import copy
label_desc: Use image node_id 9 for calling the Gradient obj's underlying member method code with example usage: obj._prop_descriptions() and returns: str