To add a phase (child project) to a project (parent project) in Core, go through the following steps:
- In the Projects screen, go to the detailed view of the project for which you want to create a phase.
- In the detail view, click Actions > Add Phase.
- On the Add New Phase screen, enter the required information, such as Phase ID and Phase Name.
- Click Save.
The newly created phase displays under the parent project in the grid.
You can also add a new phase to the project from the Projects > General > Structure tab by clicking Add Phase. Check the Core Help for details.