Schema Tree
On the left is the schema tree. It holds all the objects you add into Jira Assets.
This is will have all your schema.
An example:
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How to Make a Schema
In the schema tree, press the + icon.
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In the popup window:
Enter a name.
Select an icon.
Parent type is none.
Enter a description for the object type (optional).
Click create.
From the schema tree, click on the heading schema you have just created.
Click the 3 dots next to create object.
Click inheritance.
Turn pass all attributes to child object types as on.
Click Back to your page.