How to enable x-client-ip address in apache webserver LogFormat?

Applications Web Development
1

how to enable x-client-ip address in apache webserver LogFormat
i tried below option, but no luck...

1. LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined

2. LogFormat "%{X-Forwarded-For}i %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" proxy

3. SetEnvIf X-Forwarded-For "^.*\..*\..*\..*" forwarded

4. CustomLog "logs/access_log" combined env=!forwarded

5. CustomLog "logs/access_log" proxy env=forwarded

any help greatly appreciated