Here you set rent documents for myDATA.
When you issue a rent (income) document and need the correct rent invoice type.
Open Settings → Tax connections → Variable mapping and fill the yellow myDATA fields on the related document / VAT. The basics are in the main myDATA mapping article.
On-screen steps
What the codes mean
A valid combination is: classification category1_5 (other income), invoice type 8.1 (Rent – Income), E3 E3_562 (other ordinary income). This is allowed in the combination table for type 8.1.