Some attributes have multiple values that are able to be added to an Attribute.
One example vendors are familiar with is "Excluded Ship States". 

To add multiple values, follow these steps below:

1. Enter your first value. Then double-click in the cell and select the gray list value on the right.

​2. Select 'Add new value' for however many values you need.

​3. Enter the new values in each new line. This is important to ensure the system lists them properly.

​4. Select 'Apply' and your new values will be added!