Peoplesoft Application Package - Application Class/Application Package peoplecode and Calling them anywhere

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Peoplesoft Application Package - Define Application Class and Calling Application class and Application Class Method from any Peoplecode event: 

Step 1:
Create New Application Package - MYPACKAGE

Step2:
Add a new application class in it. - MyClass

Step 3:
Defining Class and methods inside (Public or Private)
1. We can define classes here
2. We can define methods here
3. We can define Class Property

Code to write inside a class to define class and its method:

class MyClass
method MyMethod (&smyInput as String, &nmyInput as Number) returns string;

private
method MyPrivateMethod (&sInput as String) returns boolean;

property string &sVar;
property number &nVar;

end-class;

method MyMethod
/*+Method Body+*/

returns &sVar;
end-method;

method MyPrivateMethod 
/*+Method Body+*/

returns &bVar;
end-method;

Code to write call a class and run its method:

import MYPACKAGE:MyClass;

Local string &sGetMethodData;
Local MYPACKAGE:MyClass &oClassObjectVariable = create MYPACKAGE:MyClass();

/*+ If function is returning data, we need to assign it into a variable+*/
&sGetMethodData = &oClassObjectVariable.MyMethod(&smyInput, &nmyInput);

/*+ If function is not returning data+*/
&oClassObjectVariable.MyMethod(&smyInput, &nmyInput);

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