docstr: Sets the length (in px) of the links arrow, if 0 no arrow will
  be drawn.
  
  The 'arrowlen' property is a number and may be specified as:
    - An int or float in the interval [0, inf]
  
  Returns
  -------
  int|float
docstr_tok: ["Sets","the","length","(","in","px",")","of","the","links","arrow",",","if","0","no","arrow","will","be","drawn",".","The","'arrowlen","'","property","is","a","number","and","may","be","specified","as",":","-","An","int","or","float","in","the","interval","[","0",",","inf","]","Returns","--","--","--","-","int|float"]
code: def arrowlen(self):
      """
      Sets the length (in px) of the links arrow, if 0 no arrow will
      be drawn.
  
      The 'arrowlen' property is a number and may be specified as:
        - An int or float in the interval [0, inf]
  
      Returns
      -------
      int|float
      """
      return self["arrowlen"]
  
imports: from plotly.basedatatypes import BaseTraceHierarchyType
  import copy
label_desc: Use image node_id 1 for calling the Link obj's underlying member method code with example usage: obj.arrowlen() and returns: self