How can I extract the actor-critic model from a saved pre-trained agent?

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Arijit Bhattacharjee
I have trained a PPO agent and saved the TrainStat at the end of the training (save TrainStat). I have used the following set of commands to retrieve the actor net but the result I am getting is blank.
TrainStat.agent4
ans =
rlPPOAgent with properties:
AgentOptions: [1×1 rl.option.rlPPOAgentOptions]
>> actor = getActor(TrainStat.agent4)
actor =
rlStochasticActorRepresentation with properties:
ActionInfo: [1×1 rl.util.rlFiniteSetSpec]
ObservationInfo: [1×1 rl.util.rlNumericSpec]
Options: [1×1 rl.option.rlRepresentationOptions]
>> A_net = getModel(actor)
A_net =
[]
Please suggest if I am making any mistakes while saving the TrainStat or is there any other way to proceed.

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