Drupal 8 Module Development - Second Edition

Configuration entity fields

Configuration entities have relatively simple fields, due to their storage handling. We can store complex configuration but there is no complex database schema to reflect that. Instead, we have the configuration schema layer that describes configuration entities so the Entity API can understand the types of data they store and represent. We talked about this earlier in the chapter when we looked at the configuration system. But let's examine the NodeType configuration entity type to better understand its fields.

The fields on configuration entities are essentially declared as class properties. So, we can see that NodeType has fields such as $description, $help and others. As I mentioned a bit earlier, the plugin ...