Magento 2. How to create new uiComponent(e.g. my_customer_form) that extends from existing one(customer_form)?

In this context we use the term UiComponent to define a configured collection of components to create a form or a listing, for example customer_form which is configured in customer_form.xml How can I create a new uiComponent(e.g. my_customer_form) that extends from existing one(customer_form)? I’m 90% percent sure there is a way to inherit from existing…

Can I get information from the magento form through the objectmanager?

Good morning I have the question of whether I can obtain data from the sales information using the objectmanager using $ _POST attached my code to tell me if it is correct. public function tomval(){ #fucnion que se encarga de hacer la conexion $objectmanager = \Magento\Framework\App\ObjectManager::getInstance(); $resource = $objectManager->get(‘Magento\Framework\App\ResourceConnection’); $connection = $resource->getConnection(); $day = date(Y,m,d);…