docstr: Sets the source reference on Chart Studio Cloud for  tickvals .
  
  The 'tickvalssrc' property must be specified as a string or
  as a plotly.grid_objs.Column object
  
  Returns
  -------
  str
code: def tickvalssrc(self):
      """
      Sets the source reference on Chart Studio Cloud for  tickvals .
  
      The 'tickvalssrc' property must be specified as a string or
      as a plotly.grid_objs.Column object
  
      Returns
      -------
      str
      """
      return self["tickvalssrc"]
  
imports: from plotly.basedatatypes import BaseTraceHierarchyType
  import copy
label_desc: Use image node_id 51 for calling the Axis obj's underlying member method code with example usage: obj.tickvalssrc() and returns: self