n8n Code & Expressions
Installation
SKILL.md
n8n Code & Expressions
Master n8n's expression syntax and code capabilities.
Expression Syntax
Expressions in n8n use {{ }} or ={{ }} syntax to reference data dynamically.
Core Variables
$json - Current Item Data
// Access fields from current item
{{ $json.name }} // Direct field
{{ $json.user.email }} // Nested field
{{ $json["field-name"] }} // Fields with special chars
{{ $json.items[0].id }} // Array access
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