<a href=#CustomConfig>CustomConfig</a></code></td><td><p>(Optional) Collection of tag names and tag expressions to include in the
logs. Conflicts are resolved by the tag name by overriding previously
supplied values. Does not apply to audit logs.
See
<a href=/v1.20/latest/docs/tasks/observability/metrics/customize-metrics/#use-expressions-for-values>https://istio.io/latest/docs/tasks/observability/metrics/customize-metrics/#use-expressions-for-values</a>
for more details about the expression language.</p></