The most frecuent and used commands are:
The user could define more than one command for a specific rule. Once the command has been selected with his respective arguments, the user should click on the Add button to add the command to a list that would be put in the respective rule to be saved. If there are no more rules to define, you should have to make click in teh Accept button to return to the add/edit rule page to procede with the respective function.
A list of commands added is showed at the end of the page. There the user have the option to delete an added command on the list. This process should be done by selecting the respective command and the clicking on the Delete button.