Class MyApp.Component Extends %Persistent
{
Property TheName As %String;
Property TheValue As %Integer;
}

 // Create a new component
 Set component = ##class(MyApp.Component).%New()
 Set component.TheName = "Widget"
 Set component.TheValue = 22

 // Save the new Component to the database
 Do component.%Save()

' Create a new component
component = New Component()
component.TheName = "Widget"
component.TheValue = 22

' Save the new Component to the database
component.%Save()

' Open an instance and double its value:
component = OpenId Component(id)

component.TheValue = component.TheValue * 2
component.%Save()

// Get an instance of Component from the database
component = (MyApp.Component)MyApp.Component._open(database, new Id(id));

// Inspect some properties of this object
System.out.println("Name: " + component.getTheName());
System.out.println("Value: " + component.getTheValue());

Class MyApp.Person Extends %Persistent
{
Property Name As %String(MAXLEN=100);
Property Home As Address;
}

Class MyApp.Address Extends %SerialObject
{
Property City As %String;
Property State As %String;
}

Class MyApp.Employee Extends Person
{
Property Salary As %Integer(MINVAL=0,MAXVAL=100000);
}

SELECT ID,Name,ContactInfo->Name
FROM Vendor
WHERE Vendor->Region->Name = 'Antarctica'