Edit An Existing Content Type
Once you have Content Model Builder enabled, click into it and you will be able to see a list of existing Content Types. Click into one to edit it in the Content Model Builder.
If the content model has more than one forms, select the one you hope to edit:
Then the builder will render with the settings in the selected form.
Dragging a field and dropping it on top of another non-object field allows you to move it in front of the other field.
In the above image, "Recommendations" was the last field by default. Drag and drop it on top of "Body", and now the order of the fields is:
Now click "Preview" button and you will find the change is reflected in the Content Model
The order of the JSON properties is also update:
Object fields can be enriched by dragging in other fields. In the following picture, a new Object field "Book Information" is created.
You can drag "Title" and "Author" into "Book Information":
Now preview and see that "Title" and "Author" are in "Book Information":
After enriching an object field, you can still edit each sub-fields in the object and the object itself by clicking them respectively.
Click the "x" button on the right side of any field to remove it.