The host can use this property to enable notification reasons defined in Notification 0x1001 - Device Information Update in the User Events Category. Each bit enables a specific Reason by setting that bit to 1. Byte 0 is the first byte, bit 0 is the LSB of each byte.
The device only detects these user events and sends these notifications when it is idle. While processing a command (not idle), such as when processing a transaction with Command 0x1001 - Start Transaction, the device only sends notifications related to the command it is currently processing.
Notification reasons may consume power when idle. For example, enabling Contactless reasons requires the device to continuously consume some radio frequency power to detect the presence of a contactless card when idle. To conserve power, only enable the notification reasons that are required by the solution design, if any. The readers and their associated notifications will be disabled if the battery charge is 5 percent or lower.
Changes to this property do not take effect until the device is power cycled or reset.