Every capability beyond the core language comes from a plugin: a native module that registers a namespace and a set of verbs. This is the reference for all 36 official plugins (753 functions), plus the five built-in extensions loaded with plugin "builtin:<name>";. Load a plugin with a plugin directive, then call its verbs as namespace.Verb(...).
plugin "builtin:<name>";blob type.string.Format.os.Eval family for runtime script execution.struct keyword + runtime schema mutation (global and per-instance).