prefixMatch property
For satisfying the matchRule condition, the request's path must begin with the specified prefixMatch.prefixMatch must begin with a /.
The value must be from 1 to 1024 characters.
The * character inside a prefix match is treated as a literal character, not as a wildcard.
Only one of prefixMatch, fullPathMatch,regexMatch or path_template_match can be used within a matchRule.
Implementation
core.String? prefixMatch;