code: def value(self, obs, action):
      return self.critic_model(obs, action)
  
file_path: PARL/examples/CARLA_SAC/carla_model.py
imports: import parl
  import paddle
  import paddle.nn
  import paddle.nn.functional
label_desc: Use image node_id 3 for calling the CarlaModel obj's underlying member method code with example usage: obj.value(obs, action) and returns: self