uint16_t notification_mask

Notification mask (optional parameter; default value: 0xFFFF) Indicates for which parameters the notification shall be enabled. If such a bit is set and the corresponding parameter has been changed the notification callback is invoked. This is an optional parameter. If the mask is not modified notifications for all of the parameters are enabled.

Bit Index	Value (Hex)	Parameter
0	0x01	events
1	0x02	availability
2	0x04	avail_info
3	0x08	avail_trans_cause
4	0x10	node_address
5	0x20	node_position
6	0x40	max_position
7	0x80	packet_bw