docstr: The 'marker' property is an instance of Marker
  that may be specified as:
    - An instance of :class:`plotly.graph_objs.area.Marker`
    - A dict of string/value properties that will be passed
      to the Marker constructor
  
      Supported dict properties:
          
          color
              Area traces are deprecated! Please switch to
              the "barpolar" trace type. Sets themarkercolor.
              It accepts either a specific color or an array
              of numbers that are mapped to the colorscale
              relative to the max and min values of the array
              or relative to `marker.cmin` and `marker.cmax`
              if set.
          colorsrc
              Sets the source reference on Chart Studio Cloud
              for  color .
          opacity
              Area traces are deprecated! Please switch to
              the "barpolar" trace type. Sets the marker
              opacity.
          opacitysrc
              Sets the source reference on Chart Studio Cloud
              for  opacity .
          size
              Area traces are deprecated! Please switch to
              the "barpolar" trace type. Sets the marker size
              (in px).
          sizesrc
              Sets the source reference on Chart Studio Cloud
              for  size .
          symbol
              Area traces are deprecated! Please switch to
              the "barpolar" trace type. Sets the marker
              symbol type. Adding 100 is equivalent to
              appending "-open" to a symbol name. Adding 200
              is equivalent to appending "-dot" to a symbol
              name. Adding 300 is equivalent to appending
              "-open-dot" or "dot-open" to a symbol name.
          symbolsrc
              Sets the source reference on Chart Studio Cloud
              for  symbol .
  
  Returns
  -------
  plotly.graph_objs.area.Marker
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code: def marker(self):
      """
      The 'marker' property is an instance of Marker
      that may be specified as:
        - An instance of :class:`plotly.graph_objs.area.Marker`
        - A dict of string/value properties that will be passed
          to the Marker constructor
  
          Supported dict properties:
  
              color
                  Area traces are deprecated! Please switch to
                  the "barpolar" trace type. Sets themarkercolor.
                  It accepts either a specific color or an array
                  of numbers that are mapped to the colorscale
                  relative to the max and min values of the array
                  or relative to `marker.cmin` and `marker.cmax`
                  if set.
              colorsrc
                  Sets the source reference on Chart Studio Cloud
                  for  color .
              opacity
                  Area traces are deprecated! Please switch to
                  the "barpolar" trace type. Sets the marker
                  opacity.
              opacitysrc
                  Sets the source reference on Chart Studio Cloud
                  for  opacity .
              size
                  Area traces are deprecated! Please switch to
                  the "barpolar" trace type. Sets the marker size
                  (in px).
              sizesrc
                  Sets the source reference on Chart Studio Cloud
                  for  size .
              symbol
                  Area traces are deprecated! Please switch to
                  the "barpolar" trace type. Sets the marker
                  symbol type. Adding 100 is equivalent to
                  appending "-open" to a symbol name. Adding 200
                  is equivalent to appending "-dot" to a symbol
                  name. Adding 300 is equivalent to appending
                  "-open-dot" or "dot-open" to a symbol name.
              symbolsrc
                  Sets the source reference on Chart Studio Cloud
                  for  symbol .
  
      Returns
      -------
      plotly.graph_objs.area.Marker
      """
      return self["marker"]
  
imports: from plotly.basedatatypes import BaseTraceType
  import copy
label_desc: Use image node_id 17 for calling the Area obj's underlying member method code with example usage: obj.marker() and returns: self