docstr: Assign an id to this trace, Use this to provide object
  constancy between traces during animations and transitions.
  
  The 'uid' property is a string and must be specified as:
    - A string
    - A number that will be converted to a string
  
  Returns
  -------
  str
docstr_tok: ["Assign","an","id","to","this","trace",",","Use","this","to","provide","object","constancy","between","traces","during","animations","and","transitions",".","The","'uid","'","property","is","a","string","and","must","be","specified","as",":","-","A","string","-","A","number","that","will","be","converted","to","a","string","Returns","--","--","--","-","str"]
code: def uid(self):
      """
      Assign an id to this trace, Use this to provide object
      constancy between traces during animations and transitions.
  
      The 'uid' property is a string and must be specified as:
        - A string
        - A number that will be converted to a string
  
      Returns
      -------
      str
      """
      return self["uid"]
  
imports: from plotly.basedatatypes import BaseTraceType
  import copy
label_desc: Use image node_id 41 for calling the Parcats obj's underlying member method code with example usage: obj.uid() and returns: self