what is APPCORE.PLL and CUSTOM.PLL in oracle Apps?

Answer 1

APPCORE.PLL:

Is the collection of Procedures, Functions and Packages used to define Menus and Tool Bars.

CUSTOM.pll

Is used to add extensions to Oracle's form Functionality. Some of the common scenario where CUSTOM.pll can be used are:-

1. Enabling/Disabling the fields

2. Changing the List of Values in a LOV field at runtime.

3. Defaulting values

4. Additional record level validations

5. Navigation to other screens.

6. Enabling Special Menu