code: def dash(self, val):
      self["dash"] = val
  
file_path: catboost/contrib/python/plotly/py3/plotly/graph_objs/layout/newshape/_line.py
imports: from plotly.basedatatypes import BaseLayoutHierarchyType
  import copy
label_desc: Use image node_id 4 for calling the Line obj's underlying member method code with example usage: obj.dash(val) without return types