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Benefits of Plugin #247

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Benefits of Plugin #247

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10 changes: 10 additions & 0 deletions src/pages/development/components/plugins.md
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Expand Up @@ -13,12 +13,22 @@ Extensions that wish to intercept and change the behavior of a *public method* c

This interception approach reduces conflicts among extensions that change the behavior of the same class or method. Your `Plugin` class implementation changes the behavior of a class function, but it does not change the class itself. Adobe Commerce and Magento Open Source call these interceptors sequentially according to a configured sort order, so they do not conflict with one another.

## Benefits

For a module developer as you, Magento 2 Interception plugin allows:

* Forwarding any method call that is used on an object manager controlled object and taken programmatic action
* Modifying the return value of any method call that is used on an object manager controlled object
* Modifying the arguments of any method call that is used on an object manager controlled object
* Proceeding similarly when other modules are in progress of the same method in the same or predictable way.

## Limitations

Plugins can not be used on following:

* Final methods
* Final classes
* Any class that contains at least one final public method
* Non-public methods
* Class methods (such as static methods)
* `__construct` and `__destruct`
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