| 4.3 Use 
              Variable for Program ArgumentThe recorded voice message is saved in an audio file. The file 
              name is saved in the variable
              message_file. The value needs to be passed to 
              BroadcastByPhone program in order to use the recorded message as 
              the broadcast message. Edit the Run 
              Program Action Select Message OK element, click the properties 
              icon on the toolbar, then choose the Action tab. Select the 
              Run Program action in the list box, then click the Edit 
              button. Click the Add button to append the following two 
              arguments: '-wavfile' and message_file. 
               
              Please note that double quotes are added to enclose variable
              message_file. This is because the file name might contain 
              space. 
              The Complete 
              Command Line 
              Arguments are concatenated and passed to the program. In this 
              example, if the recorded audio file is saved as C:\Program 
              Files\Voicent\Gateway\work\audio.wav, then the program will be invoked as: 
                
              C:\Program 
              Files\Voicent\BroadcastByPhone\bin\vcast.exe "C:\Call 
              List\mylist.voc"
 -startnow
 -cleanstatus
 -wavfile "C:\Program Files\Voicent\Gateway\work\audio.wav"
 
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