attribute time. • The device information includes metrics such as batteryLevel, batteryPercent, wirelessSignal, and sensorsQuality. •For facial actions, attributes like actionEye, actionUpperFace, powerUpperFace, actionLowerFace, and powerLowerFace capture various facial expressions and their intensities. •The emotional metrics encompass a range of states, including engagement, excitement, longTermExcitement, stress, relaxation, interest, and focus. In addition, boolean fl ags, such as isENG, isEXC, isSTR, isREL, isINT, and isFOC, indicate whether speci fi c emotional states are active. •The Pleasure, Arousal, and Dominance (PAD) model is represented through the attributes Pleasure, Arousal, and Dominance. Finally, ignore SAM. 6