SVN custom log

<VirtualHost *:80>
        ServerAdmin 
        DocumentRoot /data/svn_home/ops
        ServerName ops-svn
        ServerAlias 
        ErrorLog logs/ops-svn_error_log
        CustomLog logs/opssvn_logfile "%t %u %{SVN-ACTION}e" env=SVN-ACTION
        <Location /svn>
                DAV svn
                SVNParentPath /data/svn_home/ops
#                our access control policy
                AuthzSVNAccessFile /data/authn/aclfile
                AuthType digest
                AuthName "ops-svn"
                AuthDigestDomain /svn/ http://ops-svn/svn/
                AuthDigestFile /data/authn/.ops_svn
                Satisfy Any
                Require valid-user
        </Location>
</VirtualHost>