Question: Can anyone please tell me how can I add a new column of type enum to my schema in order to implement a Doctrine Migration?

Answer: 
Shortcut: 

```
symfony doctrine:build --all-classes --and-migrate

```
```
Model:  
  column:  
    type: enum  
    values: [one, two, three]  

(optional:)  
    notnull: false  
    default: one #or two or three  

```