Yes, you can split expenses based on custom fields. To do this:
- Go to Expenses on the left sidebar.
- Click the More icon in the right corner of the expense you would like to split.
- Click Split.
- In the split expense page, select the type of split as Split by field.
- Select the custom field. Select the number of expenses you would like to split the parent expense into.
- Edit the expense amount of each split and change the category.
- Click Save. The expense will be split.