The start process widget is used to start a process instance using a form, through the dashboard. 

Navigate to the Administration—Dashboards page. Click on the Actions—Create menu option to create a new dashboard. Give the dashboard a name and display the order number. 

The dashboard designer canvas opens on the new page. Drag the Custom Bar Chart Widget from the toolbox to the designer canvas. Click on the Edit icon to configure. 

The Configure Widget UI properties are displayed in the popup window below. Provide the title name. Select the colors from the drop-down list for the button. Select the Form Definition from the drop-down list. Select the Process Definition from the drop-down list. Use the filters (Variables, Globals, Form Variables) to select the variable to hold the form instance ID during run-time. Select the language from the drop-down list to render the form page. Use the checkbox to open the start process in the new window. Click on the Save button to confirm the changes. 

On the dashboard designer canvas, select the UI - Preview menu option to view the dashboard. 

The start process widget dashboard is displayed on the new page. Click on the button to start the new process through the dashboard.