docstr: The 'delta' property is an instance of Delta
  that may be specified as:
    - An instance of :class:`plotly.graph_objs.indicator.Delta`
    - A dict of string/value properties that will be passed
      to the Delta constructor
  
      Supported dict properties:
  
          decreasing
              :class:`plotly.graph_objects.indicator.delta.De
              creasing` instance or dict with compatible
              properties
          font
              Set the font used to display the delta
          increasing
              :class:`plotly.graph_objects.indicator.delta.In
              creasing` instance or dict with compatible
              properties
          position
              Sets the position of delta with respect to the
              number.
          prefix
              Sets a prefix appearing before the delta.
          reference
              Sets the reference value to compute the delta.
              By default, it is set to the current value.
          relative
              Show relative change
          suffix
              Sets a suffix appearing next to the delta.
          valueformat
              Sets the value formatting rule using d3
              formatting mini-languages which are very
              similar to those in Python. For numbers, see: h
              ttps://github.com/d3/d3-format/tree/v1.4.5#d3-
              format.
  
  Returns
  -------
  plotly.graph_objs.indicator.Delta
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code: def delta(self):
      """
      The 'delta' property is an instance of Delta
      that may be specified as:
        - An instance of :class:`plotly.graph_objs.indicator.Delta`
        - A dict of string/value properties that will be passed
          to the Delta constructor
  
          Supported dict properties:
  
              decreasing
                  :class:`plotly.graph_objects.indicator.delta.De
                  creasing` instance or dict with compatible
                  properties
              font
                  Set the font used to display the delta
              increasing
                  :class:`plotly.graph_objects.indicator.delta.In
                  creasing` instance or dict with compatible
                  properties
              position
                  Sets the position of delta with respect to the
                  number.
              prefix
                  Sets a prefix appearing before the delta.
              reference
                  Sets the reference value to compute the delta.
                  By default, it is set to the current value.
              relative
                  Show relative change
              suffix
                  Sets a suffix appearing next to the delta.
              valueformat
                  Sets the value formatting rule using d3
                  formatting mini-languages which are very
                  similar to those in Python. For numbers, see: h
                  ttps://github.com/d3/d3-format/tree/v1.4.5#d3-
                  format.
  
      Returns
      -------
      plotly.graph_objs.indicator.Delta
      """
      return self["delta"]
  
imports: from plotly.basedatatypes import BaseTraceType
  import copy
label_desc: Use image node_id 7 for calling the Indicator obj's underlying member method code with example usage: obj.delta() and returns: self