> ## Documentation Index
> Fetch the complete documentation index at: https://docs.chatzy.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Update contact

The **Update Contact** action adds or modifies details on a contact's profile. It is a key feature for enriching customer data, enabling segmentation, and supporting personalization in future conversations.

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  <img src="https://mintcdn.com/chatzyai/eDIoSFrCzTC9hrv8/journey/studio/actions/update-contact.png?fit=max&auto=format&n=eDIoSFrCzTC9hrv8&q=85&s=28b0c2880da4692576fda49a052b97e3" alt="wa1" className="rounded-lg" width="347" height="532" data-path="journey/studio/actions/update-contact.png" />
</Frame>

#### Configuration Fields

* **Contact Phone Number**\
  The unique identifier for the contact whose profile is being updated.

* **Tags**\
  Labels that categorize a contact. For example, you might add a **Qualified** tag after a user completes a specific step in your flow.

* **Attributes**\
  Custom data fields used to store structured details such as name, email, or company. Attributes differ from tags in that they hold actual values instead of simple categories.