To create a decision table: Sign in to the Modeling Application and open a project. Click + New at the top of the left pane. Select how to create the decision table: To create a new, empty decision table, select Create > Decision Table. To upload an existing .xml decision table file into the Modeling Application, select Upload > Decision Table. Note: Alternatively click the vertical ellipsis button next to Decision Tables in the left pane. Enter a name and optional description. Click Create decision table. The table is created and opened as a new tab in the Modeling application. It is also displayed under the Decision Tables drop-down menu.