There’s 2 main steps to use the app:

1. Creating a block
2. Adding the block to checkout

Please note that only block-based customizations need to be added to the Checkout Editor. Function-based customizations are added/removed instantly.

Creating a (block) customization

1. Click "Create a customization"

2. Click "Select" on the block you wish to create

3. Fill in the settings and click "Save block" when finished

4. Keep in mind the block "ID" for reference

Adding the block to checkout

5. Click "Settings" to access your admin settings

6. Click "Checkout"