Log in to the HTML5 client.
Select the Portfolio Center workspace, Budget tab.
Select a Portfolio in the Data Selector.
Select the Portfolio Budget mode ().
Click on the SIMULATION SANDBOX button.
In the Budget Simulation full screen view, select the Simulation tab.
Select a Scenario in the left panel.
In the detailed view, click on the COST CENTER () button, and select the Add Cost Center to an Existing Project command.
In the Add Cost Center to an Existing Project popup, select first a Cost Center, and click on the NEXT button. Then, select a Project, and click on the DONE button.
Enter the Budget values in the spreadsheet distributed cells.
Click on the close () button.