> For the complete documentation index, see [llms.txt](https://docs.bizmagnets.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bizmagnets.ai/additional-details/custom-fields.md).
# Custom Fields
Custom fields in BizMagnets provide a flexible way to attach additional, non-standard metadata to your messages.
This metadata isn't visible to the end user but can be extremely useful for internal processing, tracking, and integration with other systems. Supports up to 5 custom fields per contact.
## **Steps to Add a Custom Field**
1. Navigate to **'Custom Fields'** in the Settings.
2. Click **'+ Add'** from the top right corner.
3. **Configure the Field**:
* **Column Label:** User-friendly name
* **Field Name**: Internal ID (e.g., "Customer Tier", "Lead Source").
* **Column Type**: Choose from:
* Text
* Multi Text
* Switch
* etc.
* **Column Hint** (Optional): Internal notes about the field.
4. Enter **'Add Field'** to create the custom field.
## **Edit a Custom Field**
Find the custom field you want to edit in the list. Click the Edit icon next to the field name. Make the necessary changes and click **'Update'.**
