.. zephyr:code-sample:: ble_central_past
   :name: Central Periodic Advertising Sync Transfer (PAST)
   :relevant-api: bt_gap bluetooth

   Use the Periodic Advertising Sync Transfer (PAST) feature as the sender.

Overview

A simple application demonstrating the Bluetooth LE Periodic Advertising Sync Transfer functionality as the sender.

Requirements

• A board with Bluetooth LE 5.1 support

Building and Running

This sample can be found under :zephyr_file:`samples/bluetooth/central_past` in the Zephyr tree.

Use the sample found under :zephyr_file:`samples/bluetooth/periodic_adv` on another board that will start periodic advertising, to which this sample will establish periodic advertising synchronization.

Use the sample found under :zephyr_file:`samples/bluetooth/peripheral_past` in the Zephyr tree on another board that will advertise and await a periodic advertising sync transfer.

See :ref:`bluetooth samples section <bluetooth-samples>` for details.