> ## Documentation Index
> Fetch the complete documentation index at: https://docs.zeotap.com/llms.txt
> Use this file to discover all available pages before exploring further.
# Appendix for Sendinblue
This section provides information about how to add custom attributes and new columns for custom attributes on the Sendinblue platform.
## Add Custom Attributes
Perform the following steps to add custom attributes on the Sendinblue (Brevo) platform:
Log into the Sendinblue (Brevo) console and navigate to **Contacts > Settings**.
In the **Contacts Settings** screen that appears, click **Contact attributes**.
In the following screen that appears, click **+** **Add a new attribute**.
In the **Attribute Settings** window that appears, provide an **Attribute Name** in capital letters, choose the desired **Attribute Type** from the drop-down list and click **OK.** Note that the attribute type can be **Text**, **Number**, **Category** and **Boolean**.
The custom attribute gets listed in the **Contact Attribute** screen. This custom attribute gets listed under the **Map the Fields** section while creating a Destination in Zeotap CDP.
## Add New Columns for Custom Attributes
Perform the following steps to add new columns for the custom attributes on the Sendinblue (Brevo) platform:
Log into the Sendinblue (Brevo) platform and navigate to **Contacts > Edit column attributes.**
In the new screen that appears, click **Add columns**.
Search and add the desired custom attributes that you wish to view on the Sendinblue (Brevo) using the drop-down menu and click **Save**.
The newly added custom attribute column is then displayed as shown in the image below.
