To create properties and link them to you new class, you need to first create the properties, by right-clicking on the top item of the properties list and selecting Add Property.
The new property will be added ready for editing.
Once you have created the property, you need to define what type of data it should contain. Select the property in the tree and edit the type of data on the right.
You may also edit the name of the property here. Click on the Save button when you are done.
To add a property to a class, you may drag it from the property list and drop it onto the appropriate class in the class list.
Your Crane Model class now has a property Serial no
