# Attach/Upload Files to a Phase Subtask

This feature allows users to attach files to the subtasks so the assignee can get more details about the subtask, or the assignee can send completed works for review.

### Steps to Use:

* Select a **phase**. The **phase modal page** opens.
* Click the **down arrow button of** the **Subtask.**  
* You will see the **Subtask list.**
* Choose which **subtask** you want to **attach/upload files**. 
* Click the **Add** button.
* A **box** will open. Click the **Upload button.**
* Choose **files** from **your system** & **select** them. 
* The **attachment files** will be **uploaded**.

<figure><img src="https://4113483419-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FGidBZt9wHrAuaIEXoJOq%2Fuploads%2FrggiPTe9kvtGhSp9rPdn%2FModal%20Phase%20Subtask%20Attachment%20add.gif?alt=media&#x26;token=edfa0294-d1c1-4a7f-8b35-22735b25d5e0" alt=""><figcaption><p>Attach/Upload Files to a Phase Subtask</p></figcaption></figure>