Rate this page:

Thanks for rating this page!

We are always striving to improve our documentation quality, and your feedback is valuable to us. How could this documentation serve you better?

Enable Chat Attachments


This Twilio product is currently available as a pilot release. Some features are not yet implemented and others may be changed before the product is declared as Generally Available. Pilot and beta products are not covered by a Twilio SLA.

Learn more about how Twilio supports products that are not yet GA.

Attachment support in the Flex UI allows agents and customers to share files such as documents and images over a chat channel. To enable the web chat attachment pilot you’ll need to be on Flex UI 1.20 and Flex Web Chat 2.5.

You have to enable chat attachments in both the Flex UI and Web Chat UI.

Enabling attachments in Flex UI

To enable chat attachments in the Flex UI, visit the pre-release features page within Flex Admin.

Enable attachments in WebChat UI

To enable sending attachments between agents and customers, add the following code to Flex Web Chat UI webchat-appConfig.js configuration files.

fileAttachment: {
   enabled: true

Default Configuration

The default configuration allows the following files types to be sent. The file can be up to 10Mb in size.

Images Documents
.jpeg, .jpg, .png, .gif .txt, .pdf

Next Steps

Rate this page:

Need some help?

We all do sometimes; code is hard. Get help now from our support team, or lean on the wisdom of the crowd browsing the Twilio tag on Stack Overflow.