Standard LibraryUtility FunctionsEnvironment VariablesOn this pageEnvironment VariablessetEnvsetEnv(name, value)set the environment variable $name to valuesetEnv("from", "-24h")setEnv("to", "@h")getEnvgetEnv(name)get the environment variable $namesetEnv("from", "-24h")getEnv('from') // return the string -24h