# Send Library

Agents can send a library like cards, options, images, documents, videos, and audio. A common data type that is used for sending library is:

| Digital Library Management | Type File                                | Max. Size     |
| -------------------------- | ---------------------------------------- | ------------- |
| Card                       | ‘gif’, ‘jpg’, and ‘png’.                 | 2Mb (Default) |
| Option                     | –                                        | 2Mb (Default) |
| Image                      | ‘gif’, ‘jpg’, and ‘png’.                 | 2Mb (Default) |
| Document                   | ‘doc’, ‘docx’, ‘pdf’, ‘xls’, and ‘xlsx’. | 2Mb (Default) |
| Video                      | ‘mp4’ and ‘m4v’.                         | 2Mb (Default) |
| Audio                      | ‘mp3’ and ‘wav’.                         | 2Mb (Default) |

Sometimes, you might need to send promotions or other information product use assets in the digital library. Digital Library is a module containing knowledge that can make your Bot conversations more varied than standard text messages, and for more information about library please refer to [Digital Library](https://docs.3dolphins.ai/bot-settings/digital-library) Page. In conversation chat, click the *attachment* button and select the **'Send Attachment'** button (<img src="https://765826444-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MNQidQwa-0K9_KnQpoc%2F-MOV_UjleWaBTOB5Hklo%2F-MOVboka4XspKeYvju65%2FScreen%20Shot%202020-12-14%20at%2014.47.46.png?alt=media&#x26;token=9f00f039-36a7-46d4-8a65-f43a817785b3" alt="" data-size="line">). Then, you will see a pop-up to find or add a digital library.

![Send Library](https://765826444-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FLYDAnLjpg2T8z2BplJOS%2Fuploads%2FfsGZC4OFSyeYLWfEKonr%2FSend%20Library.png?alt=media\&token=683500e8-4e58-417d-bf89-998797e60ebd)

For example, attach digital library with type digital library is ‘card‘. If the digital library has been sent successfully, you will see a digital library in the conversation chat, as shown below.

| Agent page                                                                                                                                                                                                                                                                 | Customer page                                                                                                                                                                                                                                                                 |
| -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| <img src="https://765826444-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FLYDAnLjpg2T8z2BplJOS%2Fuploads%2FWNVGkER82GkA8DtdkZCM%2FSend%20Library%20Agent.png?alt=media&#x26;token=82f1bfed-8467-468a-aa9e-6fd18930c6b8" alt="" data-size="original"> | <img src="https://765826444-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FLYDAnLjpg2T8z2BplJOS%2Fuploads%2FNurIKCt6DgeQSQqvAzXE%2FSend%20Library%20Customer.png?alt=media&#x26;token=1bddbf11-4b83-4eca-a5c9-cecee640b992" alt="" data-size="original"> |