measurement of cavity inlet-outlet air temperature of a naturally ventilated double skin facade

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trying to simulate a naturally ventilated double-skin facade using energyplus airflow network objects. this model consists of a single zone building but introduces another uncontrolled zone for facade cavity. the outer and inner glazings both have operable upper and lower opening. naturally, the air will in through the lower opening, heated up in the cavity and passed out through the upper opening. in that case, how can report this inlet and outlet air temperature of the facade cavity in energyplus?