Unverified50% confidenceFactExact time
n8n's field values support a syntax called expressions, wrapped in double curly braces, inside which is JavaScript that can reference data from upstream nodes.
1
Sources
50%
Confidence
Long-term
Relevance
10/12/2026
First Seen
Sources
Related Entities
Related Claims
Unverifiedn8n's Expression feature allows content generated by upstream nodes to be referenced in downstream nodes.76% similarUnverifiedIn n8n, node fields default to fixed mode, which sends literal text with curly braces as-is; switching to expression mode is required for variables to be resolved into actual dynamic data.76% similarUnverifiedN8N uses the Tournament parser to safely handle expression language instead of directly using eval().70% similarUnverifiedn8n's prompt box must be switched to Expression mode, otherwise the AI receives the double curly brace literals rather than the actual note content.70% similarUnverifiedIn n8n, the expression {{ $json.name }} can be used to retrieve the value of the name field.68% similar
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