pamac-classic/data/dbus/org.pamac.system.conf

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
"http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<busconfig>
  <!-- Only root can own the service -->
  <policy user="root">
    <allow own="org.pamac.system"/>
  </policy>

  <!-- Allow anyone to invoke methods on the interfaces -->
  <policy context="default">
    <allow send_destination="org.pamac.system"
           send_interface="org.pamac.system"/>

    <allow send_destination="org.pamac.system"
           send_interface="org.freedesktop.DBus_Introspectable"/>
    <allow send_destination="org.pamac.system"
           send_interface="org.freedesktop.DBus.Peer"/>
    <allow send_destination="org.pamac.system"
           send_interface="org.freedesktop.DBus.Properties"/>
  </policy>
</busconfig>