For AI agents: the complete documentation index is available at https://docs.clickmax.io/en/llms.txt, the full documentation bundle is available at https://docs.clickmax.io/en/llms-full.txt, and this page is available as Markdown at https://docs.clickmax.io/en/guides/track-conversions-with-src.md.
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      • How do I track my sales with the src parameter?

      Add ?src= to your checkout link. Clickmax stores that value with the sale and sends it back in outgoing webhooks — that is how platforms such as VTurb and UTMify know which ad generated each purchase.

      Before you start

      • Workspace role: Owner, Administrator, Editor or Collaborator.
      • You only need the parameters in the URL. There is nothing to enable in settings.

      What it is for

      Most tracking platforms ask you to pick one parameter to identify the conversion. Almost all of them offer src, because it is the market standard for digital products. Clickmax accepts src and sck exactly like other checkout platforms.

      They sit alongside UTMs — they do not replace or overwrite anything:

      ParameterWhat it is for
      srcFree-form identifier for the sale origin (for example the video, creative or list id)
      sckA second free-form identifier for an extra breakdown (for example the batch or variation)

      Step by step

      1. Build your checkout link with the parameter, alongside the UTMs you already use:

        https://pay.yourdomain.com/your-offer?utm_source=facebook&utm_campaign=launch&src=vsl_01

      2. If the origin is a sales page that leads to the checkout, put the parameter on the sales page link. Clickmax forwards the query string to the checkout automatically.

      3. In your tracking platform (VTurb, UTMify and similar), select src as the conversion parameter.

      4. Place a test order and check the value under Sales or in the exported file.

      Where the value shows up

      • Sales filter: under Sales, open the filters and use the src and sck fields, next to the UTMs. The same applies to Subscriptions and to external sales.
      • Export: the src and sck columns are included in the sales, subscriptions and contacts CSV files.
      • Segments: you can build a contact segment filtering by src or sck.
      • Outgoing webhooks: the value travels in the event sent to the platform you connected.

      Which events carry the value

      Every purchase and capture event sent by outgoing integrations:

      Event
      Sale made
      Sale cancelled
      Refund made
      Chargeback requested
      Subscription started
      Subscription cancelled
      Abandoned cart
      Card refused
      Transaction failed
      Pix or boleto expired
      Lead created
      Lead captured

      Limits

      • Each value stores up to 255 characters. Longer values are trimmed — the sale is never rejected because of this.
      • The value is recorded at purchase time and does not change afterwards.
      • A sale that arrived without src keeps the field empty; Clickmax never invents an origin.

      If it did not work

      • The field is empty on the sale: check that the parameter was in the URL when the buyer opened the checkout. If they arrived through a link without it, there is nothing to record.
      • The external platform did not receive it: confirm in the outgoing integration that the matching event is selected. See Outgoing webhooks.
      • You use VK Metrics: it has its own parameters (vk_source and vk_ad_id), different from these. See Send leads and sales to VK Metrics.