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Logger.warn()

Logs a warning message.

Function Signature​

Logger.warn(message: string)

Parameters​

  • message (string): The warning message to log

Return Value​

None

Description​

Logger.warn() logs a warning message at the WARN level. Use this for potential issues that don't stop execution but should be noted.

Example​

-- Warn about potential issues
if tonumber(inputs.count) > 1000 then
    Logger.warn("Large count detected: " .. inputs.count)
end

-- Warn about missing optional data
if not SessionState.has("optionalConfig") then
    Logger.warn("Optional configuration not set, using defaults")
end

-- Warn about deprecated usage
Logger.warn("This flow uses deprecated features")

Node Structure Example​

When used in a node script, this function corresponds to the Console node with warn level:

[Console Node]
Inputs:
  - Message: "Large count detected"
  - Level: "warn"
Execution:
  - In → Out

Notes​

  • Messages appear in the execution history with warning indicator
  • Use for potential issues that don't cause failures
  • Helps with debugging and monitoring