Invoice & subitem settings
The Invoice & subitem settings tab includes settings that determine the properties of the item type when placed on invoices and settings related to the item type’s subitems.

Invoice settings tab
The following options are available:
- Parent service on invoice: specifies the service below which the item type is displayed on printed invoices in cases where both services and items are invoiced.
- Show item on printed invoice: if checked, the item type will be shown on printed invoices.
- Show on invoice as: specifies a different name under which the item type is shown on printed invoices, useful in cases where the item type needs to be listed under a different name.
- Allow custom markups for subitems: if checked, allows specifying custom markups for the item type’s subitems.
- Allow variants for subitems: if checked, allows specifying variants for the item type’s subitems.
- Is additional markup: if checked, allows specifying an additional markup for the item type.
- Markup: specifies the additional markup value when the Is additional markup option is enabled.
- Relative: if checked, the markup value is added as a percentage of the item type’s price.
- Absolute: if checked, the markup value is added as a fixed value to the item type’s price.