# tf_agents.environments.random_py_environment.RewardFn

<br />

This symbol is a **type alias**.

#### Source:

    RewardFn = Callable[
        numpy.ndarray,
        https://www.tensorflow.org/agents/api_docs/python/tf_agents/typing/types/NestedArray,
        https://www.tensorflow.org/agents/api_docs/python/tf_agents/typing/types/NestedArray,
        https://www.tensorflow.org/agents/api_docs/python/tf_agents/typing/types/NestedArray
    ]