I suppose you wanted me to do something like
No. jsonPath
is a Gatling check, not an arbitrary JSON parser. You can’t use Gatling components in your own functions. You have to use standard Java libraries.
.check(
css("meta[name='myConfig.1']", "content")
.transform(content => yourOwnJsonParsing(yourOwnHtmlUnescaping(content))
.saveAs("cacheId")