| Set a concise non-empty title at the top level of the schema to explain what the definition is about | |
| Set a non-empty description at the top level of the schema to explain what the definition is about in detail | |
| Set a non-empty examples array at the top level of the schema to illustrate the expected data | |
| Descriptions should not end with a period to give user interfaces flexibility in presenting the text | /properties/begindatum/description |
| Descriptions should not end with a period to give user interfaces flexibility in presenting the text | /properties/einddatum/description |
| Setting `type` alongside `enum` is considered an anti-pattern, as the enumeration choices already imply their respective types | /properties/vorm/enum – /properties/vorm/type |
| Descriptions should not end with a period to give user interfaces flexibility in presenting the text | /properties/vorm/description |