invalid action '--json'

[pratick5]

bash /usr/sbin/easycwmp -–json get value Device.

After running above command getting an error

USAGE: /usr/sbin/easycwmp command [parameter] [values]
command:
get [value|notification|name]
set [value|notification]
apply [value|notification|object|service]
add [object]
delete [object]
download
upload
factory_reset
reboot
inform [parameter|device_id]
--json-input
invalid action '--json'

[tomgrean]

As indicated from your post, there is no '--json' action.
the default is json output, if you want to input command by json, use '--json-input' without other actions(command options).