NetKey Index of the subnet to send the message on.
AppKey Index to encrypt the message with.
Destination address of a received message. Not used for sending.
RSSI of a received message. Not used for sending.
Opcode of a received message. Not used for sending.
Received TTL value. Not used for sending.
Security credentials of a received message. Not used for sending.
Tag of a received message. Not used for sending.
Force sending reliably by using segment acknowledgement.
Size of TransMIC when sending a Segmented Access message.
TTL, or BLE_MESH_TTL_DEFAULT for default TTL.
Security credentials used for sending the message.
Tag used for sending the message.
Change by Espressif, model corresponds to the message.
Change by Espressif, if the message is sent by a server model. Not used for receiving message.