n8n-expression-testing

| Basic access | {{ $json.field }} | Access JSON field | | Nested access | {{ $json.user.email }} | Access nested property | | Array access | {{ $json.items[0] }} | Access array element | | Node reference | {{ $node["Name"].json.id }} | Access other node's data | | Method call | {{ $json.name.toLowerCase() }} | Call string method |

| Conditional | {{ $json.x ? "yes" : "no" }} | Ternary expression |

| $json | Current item data | {{ $json.email }} | | $node["Name"] | Other node's data | {{ $node["HTTP"].json.body }} | | $items() | Multiple items | {{ $items("Node", 0, 0).json }} | | $now | Current timestamp | {{ $now.toISO() }} | | $today | Today's date | {{ $today }} | | $runIndex | Run iteration | {{ $runIndex }} |