processor

const processor: Processor

The current processor instance. Provides access to ports, arguments, logging, and processor-specific configuration.

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At a Glance

export function onInit() {
    // Resolve output port once at init
    OUTPUT_PORT = processor.getOutputPort('Output');
}

export function onMessage() {
    // Log with processor context
    processor.logInfo('Processing message ' + message.id);

    // Access custom arguments
    const args = processor.getArguments();
    const timeout = args.timeoutMs || 5000;

    // Expand environment variables in strings
    const path = processor.expandString('${lay:DATA_DIR}/input.csv');
}

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Common Tasks

Task	Method
Get output port	processor.getOutputPort(name)
Get input port	processor.getInputPort(name)
Read arguments	processor.getArguments()
Expand variables	processor.expandString(template)
Log info	processor.logInfo(msg)
Log warning	processor.logWarning(msg)
Log error	processor.logError(msg)

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See Also

• Processor — Full class reference