# Effect decrease variable

Through this effect the chosen variable is decreased in the indicated units.

Create a decrease variable effect:

- Select the effect: Select the effect on the creation effects panel. Press OK.
- Creation effect panel: afterwards an edition panel will appear:
  - In this panel we can select the variable among an existent variable list from the chapter. We can create a new variable as well. Just type in the panel the name of the new variable.
  - Besides, inmediately after the var section field, there is a different field where we can edit the number of units we will decrement the selected variable. We should highlight that those units will be add to the value the variable already have while the effect is being executed in the engine.