> For the complete documentation index, see [llms.txt](https://docs.dtravel.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.dtravel.com/papers/nite-protocol-litepaper/protocol-design/protocol-listing-data-flow.md).

# Protocol Listing Data Flow

<img src="https://lh7-us.googleusercontent.com/xQNKjPVpszet4ozr0UbxUTkfiGxsno93LfS7jQX91eC_tu-zAeBkuJns1tYwUJlQVZMh5DMcbg6QkHWXE-4Ivd5QzC0nua9VrY0PW-VolrlUB3TpFLElAqldxHvS01-REKM4ICcIC19ZOlLJimoimAw" alt="" data-size="original">

When a booking happens, that data is fed from the relevant application back into the smart contract, recorded and fed back to the other applications that need that data (a PMS for example).

<img src="https://lh7-us.googleusercontent.com/GiTipZtItdAL1HuQOAP7IalM7a5Tlf-3ElGhOm_UTU1EwssEeqtmxVoNzXgN5Zsnk46ZU54tz6pfj1rMVMB3JmjG1IQCCz7D6OFFgj7GXBITgpKXazoxbLDisn3FMnI33cFgivwaLtx-MCTroO678ek" alt="" data-size="original">