Copy as Markdown View as Markdown (opens in new tab) View on GitHub (opens in new tab) Open in... ChatGPT (opens in new tab) Claude (opens in new tab) Perplexity (opens in new tab) logWarn logWarn<T>(prefix: String = "", value: T): T Helper function that logs messages at Warn level. Introduced in DataWeave version 2.10.0. Parameters Name Description prefix An optional string that typically describes the log. value The value to log.