docstr: Sets a reference to a shared color axis. References to these
  shared color axes are "coloraxis", "coloraxis2", "coloraxis3",
  etc. Settings for these shared color axes are set in the
  layout, under `layout.coloraxis`, `layout.coloraxis2`, etc.
  Note that multiple color scales can be linked to the same color
  axis.
  
  The 'coloraxis' property is an identifier of a particular
  subplot, of type 'coloraxis', that may be specified as the string 'coloraxis'
  optionally followed by an integer >= 1
  (e.g. 'coloraxis', 'coloraxis1', 'coloraxis2', 'coloraxis3', etc.)
  
  Returns
  -------
  str
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code: def coloraxis(self):
      """
      Sets a reference to a shared color axis. References to these
      shared color axes are "coloraxis", "coloraxis2", "coloraxis3",
      etc. Settings for these shared color axes are set in the
      layout, under `layout.coloraxis`, `layout.coloraxis2`, etc.
      Note that multiple color scales can be linked to the same color
      axis.
  
      The 'coloraxis' property is an identifier of a particular
      subplot, of type 'coloraxis', that may be specified as the string 'coloraxis'
      optionally followed by an integer >= 1
      (e.g. 'coloraxis', 'coloraxis1', 'coloraxis2', 'coloraxis3', etc.)
  
      Returns
      -------
      str
      """
      return self["coloraxis"]
  
imports: from plotly.basedatatypes import BaseTraceHierarchyType
  import copy
label_desc: Use image node_id 13 for calling the Marker obj's underlying member method code with example usage: obj.coloraxis() and returns: self