Requirement
The feature only available in Professional plan https://admin.appcheap.io/pricing
Edit code
Open tab Build, then click to fork one version you want based on
![](https://appcheap.io/wp-content/uploads/2023/07/image-1024x595.png)
After the fork, the system will clone the new source code base from state version for you to edit. Click Edit to open the online editor.
![](https://appcheap.io/wp-content/uploads/2023/07/image-1-1024x713.png)
Find the file you want to edit. click to icon edit => save => publish your change.
![](https://appcheap.io/wp-content/uploads/2023/07/image-2-1024x624.png)
Go back to the Build tab and select the custom source to be used for the build.