After defining the presentation format of the workstep as Flow, you can either create a new Web application or select any existing Web application.
To open flow presentation:
1. Right-click the workstep with Flow presentation, then click Open Flow to launch the Open <workstep_name> dialog box.
2. Select either an existing web application (in Existing folder) or Web application Project.
3. Click OK to open the flow presentation workstep. If you select an existing web application (in Existing folder) , the process template of this web application is displayed. Alternatively, if you select Web Application Project , the New Web application wizard is launched, using which you create a Web application.