Click Actions > Run Applet to display the Run Applet window. Use Run Applet to load and run a user-defined applet.
Enter class name
Type the name of the class you want to load, and then click Run. You can type the class name with or without an extension.The class must implement ECLAppletInterface or CustomInterface and have a default constructor to load and run successfully. See the section on Writing Your First Host Access Class Library Applet in the IBM Host On-Demand Host Access Class Library Reference for more information on applet basics.
Enter parameter (Optional)
Type the parameter that you want to pass to the applet. In order to receive the parameter, the applet must implement the following method: public void initParam(String param). The variable name, param, may be any valid variable name.