Which API should the master send the passkey to the slave?

Which API should the master send the passkey to the slave?https://devzone.nordicsemi.com/f/nordic-q-a/41077/which-api-should-the-master-send-the-passkey-to-the-slaveI need to do pairing between the two 51822 modules. All the information I find is paired with the slave and the mobile phone. There is no host matching process demo or learning materials? Nothing to start with. . Hurry Which API does the host need toen-USTelligent Community 13Fri, 30 Nov 2018 14:43:06 GMTRE: Which API should the master send the passkey to the slave?https://devzone.nordicsemi.com/thread/159739?ContentTypeID=1Fri, 30 Nov 2018 14:43:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:689b67d3-a2b4-4759-8a73-c6ca2e060099haakonsh<p>See the <a title="Heart Rate Application" href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v12.3.0/ble_sdk_app_hrs.html?cp=4_0_7_4_2_2_9">Heart Rate Application</a> example and <a title="BLE Heart Rate Collector Example" href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v12.3.0/ble_sdk_app_hrc.html?cp=4_0_7_4_2_0_0">BLE Heart Rate Collector Example</a>. </p><div style="clear:both;"></div>