In case you want to classify cookies, by either moving it from one category to another (statistic to marketing, marketing to functional etc.) or editing the purpose description or data-processor, etc. You can do this by going to the relevant Consent solution and click on the tab: Cookie Settings
Adding a new Custom cookie definition
First, click on Add Custom Cookie Definition.
In the modal, you choose which cookie you wish to customize in the dropdown list. Choose its categorization and its data-processor. If the data-processor is not yet part of the dropdown list, just choose anyone.
By later changing its values you are creating a new one. - Click Save when you've chosen.
How to further customise
The new custom definition is now apart of the list and can be further customised by clicking EDIT.
All values that are NOT greyed-out can be customised.