Data Member 

Description 

attr_handle 

The attribute handle. 

bd 

The Bluetooth 4.0 address. 

need_rsp 

This indicates whether it is required to respond to the remote device or not. 

offset 

This offsets the data buffer from the central device. 

trans_id 

The transaction ID. 

value 

The attribute value of the central device. 

Method 

Description 

ackFail 

You can call this method in onWrite() and callback to respond with a failed result to the central device. 

ackOK 

You can call this method in onWrite() and callback to respond with a successful result to central device.