def METHOD_NAME(self, var_list):
    for v in var_list:
        self.add_slot(v, "lr", initializer=tf.keras.initializers.Constant(1e-8))
        self.add_slot(v, "grad_norm_sum")
        self.add_slot(v, "gradients_sum")
        self.add_slot(v, "tilde_w")
        self.add_slot(v, "reward")