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System fields are values Fliqr AI fills automatically. Use them as {{field_name}} in messages, conditions, External Requests, and integrations.
Not every system field appears in the Flow Builder suggestions list. You can still type {{field_name}} manually — if the field exists, it resolves at runtime.

Contacts

Account

Do not put {{api_key}} in messages contacts can see. Prefer server-side auth on External Request.

Ads and Lead Ads

Facebook / Instagram comments and stories

Channel-specific

Pipelines, booking, questionnaire

E-commerce

Flow runtime and Inbox

Field not in the picker?

If an integration UI (for example Google Sheets) does not list a system field:
  1. Create a custom field.
  2. Use Set Custom Field and set its value to {{system_field}}.
  3. Map the custom field in the integration.

Next

Collect data

Custom fields, tags, and user input.

Extract JSON

Pull values from JSON into custom fields.