docs: document custom CEL functions - #1013
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kristin-kronstain-brown merged 4 commits intoSep 3, 2026
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Signed-off-by: Daneyon Hansen <daneyon.hansen@solo.io>
Signed-off-by: Daneyon Hansen <daneyon.hansen@solo.io>
Registration checks the definitions themselves: names, parameters, and the call graph. It does not check that a call site can supply the variables a function reads. A function that reads `response` passes `--validate-only`, starts cleanly, and then returns 403 for every request that reaches an authorization policy calling it, with nothing in the startup logs. Give that its own section with a reproduction, and scope the constraints table to what registration actually enforces. Also: * Add the `config:` parent to the four function-form snippets. Without it agentgateway rejects them with `unknown field customFunctions`. * Note that a receiver registers under its bare name, so `example()` and `this.example()` collide. * Say the identifier character set is ASCII. * Scope the `between(llm.inputTokens, ...)` example to AI and LLM routes, where the `llm` variables are bound. * Use the gloss shortcode for CEL, and unwrap the prose to match the other pages under assets/agw-docs/pages/. Revert the observability alias changes that main already fixed in 302f2fe, which scoped each alias to its version tree and dropped the bare `/observability/tracing` that collided at the site root. Keep the otel-stack tabs fix and the main-tree access-logging alias, which main does not have. Verified against agentgateway 1.5.0: every YAML example on the page passes --validate-only, and the 403 reproduction is from a running gateway. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Signed-off-by: Kristin Brown <kristin.brown@solo.io>
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Sep 3, 2026
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Summary
config.customFunctionssyntax and lifecycle.Testing
PATH=/opt/homebrew/bin:$PATH hugo160 --gc --minify.