A quick fix allows to apply an automatic changes to the code via Show Intention Actions (Alt + Enter).
Let's add a quick fix which helps to define an unresolved property from its usage.
18.1. Update the element factory
{% include /code_samples/simple_language_plugin/src/com/simpleplugin/psi/SimpleElementFactory.java %}
18.2. Define an intention action
The quick fix will create a property in the file chosen by user, and navigate to this property after creation.
{% include /code_samples/simple_language_plugin/src/com/simpleplugin/CreatePropertyQuickFix.java %}
18.3. Update the annotator
{% include /code_samples/simple_language_plugin/src/com/simpleplugin/SimpleAnnotator.java %}
18.4. Run the project
Now let's try to use a property which is not defined yet.
