unleashed-firmware/applications/system/updater/application.fam

App(
    appid="updater",
    name="UpdaterSrv",
    apptype=FlipperAppType.SERVICE,
    cdefines=["SRV_UPDATER"],
    requires=[
        "gui",
        "storage",
    ],
    conflicts=["desktop"],
    entry_point="updater_srv",
    stack_size=2 * 1024,
    order=130,
)

App(
    appid="updater_app",
    name="UpdaterApp",
    apptype=FlipperAppType.SYSTEM,
    cdefines=["APP_UPDATER"],
    requires=[
        "gui",
        "storage",
        "bt",
    ],
    conflicts=["updater"],
    provides=["updater_start"],
    entry_point="updater_srv",
    stack_size=2 * 1024,
    order=20,
)

App(
    appid="updater_start",
    apptype=FlipperAppType.STARTUP,
    entry_point="updater_on_system_start",
    requires=["updater_app"],
    order=90,
)