Best Practices for Building the Mapping Structure with ChatGPT

ChatGPT can act as your assistant for generating clean, ready-to-use JSON mappings between your website’s data layer and CHP. To get the best results, follow these practices:

1. Prepare Your Raw Data Layer Sample

Copy a real snippet of your site’s data layer (for example, from a login , purchase , or view_product event).
Make sure it includes the fields you want to map, even if some are empty.
Example:

{
  "event": "purchase",
  "data": {
    "order_id": "98765",
    "value": "120.00",
    "currency": "USD",
    "email": "user@example.com",
    "coupon": "SUMMER20"
  }
}

2. Write a Clear Prompt for ChatGPT

Tell ChatGPT what you want: a CHP mapping structure.
Specify which fields are traits (customer attributes) and which are event properties.
Example prompt:

“Please generate a CHP mapping JSON for this purchase event. Map email as a trait, and map order_id , value , currency , and coupon as event fields. Add cp1 and cp2 as placeholders for future custom parameters.”

3. Review the JSON Output Carefully

ChatGPT will generate something like this:

{
  "purchase": {
    "fields": {
      "email": "data.email",
      "order_id": "data.order_id",
      "value": "data.value",
      "currency": "data.currency",
      "coupon": "data.coupon",
      "cp1": "customParameter1",
      "cp2": "customParameter2"
    }
  }
}

Check that every field is mapped correctly.
Confirm naming conventions match your schema (snake_case or camelCase).
Ensure traits and events are separated correctly.

4. Validate and Test

Push a test event to confirm it populates in CHP.
If something is missing, adjust your mapping and re-run the prompt in ChatGPT with clarifications.
Keep an iterative cycle: Paste → Generate → Test → Adjust.

5. Scale with Templates

Save your best ChatGPT prompts as templates.
Example: “Generate CHP mapping JSON for [event_name]. Map emails to traits, order values to event properties, and always add cp1, cp2 placeholders.”
This keeps your mapping structure consistent across all events.

Using ChatGPT this way reduces manual effort, ensures accuracy, and helps you build a standardized mapping system for your analytics faster.

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