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Diffstat (limited to 'doc/rsyslog_conf_filter.html')
-rw-r--r-- | doc/rsyslog_conf_filter.html | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/rsyslog_conf_filter.html b/doc/rsyslog_conf_filter.html index 34839616..fbced4a3 100644 --- a/doc/rsyslog_conf_filter.html +++ b/doc/rsyslog_conf_filter.html @@ -117,6 +117,13 @@ currently supported:</p> the property. There must be an exact match, wildcards are not supported.</td> </tr> <tr> +<td>isempty</td> +<td>Checks if the property is empty. The value is discarded. This is +especially useful when working with normalized data, where some fields +may be populated based on normalization result. +Available since 6.6.2. +</tr> +<tr> <td>isequal</td> <td>Compares the "value" string provided and the property contents. These two values must be exactly equal to match. The |