Conceptexpression
Expression
A syntax mechanism in n8n used to reference data from upstream nodes. Expressions are written inside double curly braces and support automatic field suggestions, enabling personalized processing of data in batches.
Timeline (last 90 days)
Oct 13
n8n expressions allow embedding notation like {{ $json.email }} in node fields, supported by built-in JavaScript syntax, and can do simple string concatenation, date formatting, and conditional checks.
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