n8n-docs/_snippets/code-examples/variables-list.md

n8n provides the following variables:

• $binary: incoming binary data from a node
• $data: incoming raw data from a node
• $env: contains environment variables
• $json: incoming JSON data from a node
• $now: a Luxon object containing the current timestamp. Equivalent to DateTime.now().
• $parameters: parameters of the current node
• $position: the index of an item in a list of items
• $resumeWebhookUrl: the webhook URL to call to resume a waiting workflow.
• $runIndex: how many times the node has been executed. Zero-based (the first run is 0, the second is 1, and so on).
• $today: a Luxon object containing the current timestamp, rounded down to the day. Equivalent to DateTime.now().set({ hour: 0, minute: 0, second: 0, millisecond: 0 }).
• $workflow: workflow metadata