etsysEntityTempSensorTrapEnable controls whether the etsysEntityTempSensorStateChng notification is sent when this entity's temperature sensor state, as tracked by etsysEntityTempSensorState, changes, per its description; it defaults to enabled. An admin disables this on a per-sensor basis if they want to suppress trap noise for a particular sensor while still monitoring others via polling. For example, setting etsysEntityTempSensorTrapEnable to disabled on a known-noisy sensor would stop it from generating a flood of state-change traps while leaving the sensor's polled state still readable.