https://devzone.nordicsemi.com/f/nordic-q-a/24114/getting-data-from-ble_gatts_authorize_type_write-eventI am trying to use read/write authorisation on a characteristic in order to get/set a connection specific value of a characteristic I am am having issues getting the new characteristic value from the BLE_GATTS_AUTHORIZE_TYPE_WRITE event I writeen-USTelligent Community 13Tue, 08 Aug 2017 03:38:34 GMThttps://devzone.nordicsemi.com/thread/94948?ContentTypeID=1Tue, 08 Aug 2017 03:38:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6e0eb6f9-07bf-477c-9d7d-ea941dcfe8aagoldwake<p><code>p_ble_evt-&gt;evt.gatts_evt.params.authorize_request.request.write.data</code> is a variable length array.</p> <p><code>ble_gatts_evt_rw_authorize_request_t req = p_ble_evt-&gt;evt.gatts_evt.params.authorize_request;</code> is only going to assign sizeof(ble_gatts_evt_rw_authorize_request_t) bytes but since data is defined as only 1 byte long, this isn&#39;t going to copy everything.</p> <p>had I used <code>ble_gatts_evt_rw_authorize_request_t * req = &amp;p_ble_evt-&gt;evt.gatts_evt.params.authorize_request;</code> instead, everything would have worked as I had a pointer to req.request.write.data, not an incomplete copy</p><div style="clear:both;"></div>