context.exec = [
    # Always keep one sink loaded, even if it's NULL.
    { path = "/usr/bin/pactl" args = "load-module module-always-sink" }
    # When a new sink/source appears, switch to it automatically. This is what
    # allows the bluetooth headphones to have priority over the builtin
    # speakers.
    { path = "/usr/bin/pactl" args = "load-module module-switch-on-connect" }
]