# Create a new sub-task

1. Create a new sub-task by one of the following means :

- Click on a task in the window in the navigation desktop. Select the New Task command under the Edit Menu
- Select the Task icon in the Vertical Toolbar, and then click onto the task in the navigation desktop. Then the decomposition of the task will contain the new sub-task.
- Click on a task in the navigation desktop. Right click and then select the New Task command. Then the decomposition of the task will contain the new sub-task.

2. Then, modify the sub-task as it was a task.

The compound task remains selected (its border may change if it becomes composite). Initially, the sub-task is not visible. The user must double-click on the compound task to view its sub-tasks. The user may use the tree view too.