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Getting Started with Magento Extension Development by Branko Ajzele

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Chapter 2. Building the Extension – Maximum Order Amount

If you successfully made it through the first chapter, it is time to use what we have learned so far and get our hands dirty with building a real and usable extension. The functional requirement of the extension that we are going to develop is a simple, light fraud-prevention mechanism. The merchant needs a configuration option through which he can set a maximum order amount allowed for purchase and an e-mail notification for orders above certain suspicious amount. Functionality like this can serve as a mini fraud-protection system.

Planning your extension

Once you are clear with the basic functional requirement, you should take some time to think about its implementation in the form of a ...

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