--- description: n8n provides these methods to make it easier to perform common tasks in expressions. contentType: reference --- # Convenience methods n8n provides these methods to make it easier to perform common tasks in expressions. | Method | Description | Available in Code node? | | ------ | ----------- | :---------------------: | | `$evaluateExpression(expression: string, itemIndex?: number)` | Evaluates a string as an expression. If you don't provide `itemIndex`, n8n uses the data from item 0 in the Code node. | :white_check_mark: | | `$if()` | The `$if()` function takes three parameters: a condition, the value to return if true, and the value to return if false. | :x: | | `$max()` | Returns the highest of the provided numbers. | :x: | | `$min()` | Returns the lowest of the provided numbers. | :x: |