class_docstr: This observer keeps track of the current amount of cash in the broker
  
  Params: None
class_docstr_tok: ["This","observer","keeps","track","of","the","current","amount","of","cash","in","the","broker","Params",":","None"]
code: def next(self):
      self.lines[0][0] = self._owner.broker.getcash()
  
file_path: backtrader/backtrader/observers/broker.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  from ..None import Observer
label_desc: Use image node_id 1 for calling the Cash obj's underlying member method code with example usage: obj.next() without return types