Layout

Each event file contains only a single invoice layout, this can be designed similarly to Certificates using the same elements and formatting techniques. 

Importantly - invoices should refer to the specific Invoice Fields and not participant fields. Although it is still possible to query participant fields - these may differ from the required invoicing details. 

Furthermore, the invoice layout contains several distinct zones and each element belongs to the zone in which its top edge lies. 

The height of each zone can be adjusted by clicking and dragging the upper and lower bounds of the red zone highlighter on the left side of the layout, hovering over this area will highlight the area covered by that zone. 

Each zone has a distinct behaviour