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→Implement the Hook
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'''Returns''':
'''Returns''':
−* The return code from a hook is 0 or 1.
+* The return code from a hook is 0 or 1 if success, negative if error.
In general, it will be 0. It can be 1, which means that, in some specific cases, your code hook completely replaces what Dolibarr would do without the hook.
In general, it will be 0. It can be 1, which means that, in some specific cases, your code hook completely replaces what Dolibarr would do without the hook.
* If the method sets the property $this->results with an array, then the array $hookmanager->resArray will automatically be enriched with the contents of this array, which can be reused later.
* If the method sets the property $this->results with an array, then the array $hookmanager->resArray will automatically be enriched with the contents of this array, which can be reused later.