We tried with both afm-util and DBus API, error logs are below, Are we missing anything in DBUS configuration?
 
journalctl log also is uploaded.
 
Its AGL master version on imx8, agl-image-minimal image,
DISTRO=imx-agl-wayland MACHINE=imx8mqevk
 

imx8mqevk:

imx8mqevk:/media/afm-widget-examples-master# ps |grep afm

3007 root 41876 S N afm-system-daemon

3346 root 3068 S grep afm

imx8mqevk:/media/afm-widget-examples-master# export $(dbus-launch)

imx8mqevk:/media/afm-widget-examples-master# dbus-daemon --version

D-Bus Message Bus Daemon 1.10.20

Copyright (C) 2002, 2003 Red Hat, Inc., CodeFactory AB, and others

This is free software; see the source for copying conditions.

There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR P URPOSE.

imx8mqevk:/media/afm-widget-examples-master# afm-util install rabbit.wgt

ERROR: failed [installation failed: Directory not empty]

imx8mqevk:/media/afm-widget-examples-master# afm-util install smarthome.wgt

ERROR: failed [installation failed: Directory not empty]

imx8mqevk:/media/afm-widget-examples-master# dbus-send --session --print-reply - -dest=org.AGL.afm.system /org/AGL/afm/system org.AGL.afm.system.install 'string: "/media/afm-widget-examples-master/smarthome.wgt"'

Error org.freedesktop.DBus.Error.ServiceUnknown: The name org.AGL.afm.system was not provided by any .service files