The method we used to extend the model used only the _inherit attribute. We defined a class inheriting the todo.task model and added some features to it. The class attribute _name was not explicitly set; implicitly, it was todo.task. However, using the _name attribute allows us to create a new model by copying the features from the inherited ones.
For example, we can use this to add messaging features to our To-Do tasks.
The social network module (technically name mail) provides features for a message board, found at the bottom of many document forms, as well as the logic regarding messages and notifications. This is something we will often want to add to our models, so let's learn how to do that. ...
