When the InputAssistant processes a transaction internally, the next matching Screen command in the InputScript is searched and the corresponding script commands are performed. If no matching Screen command can be found, the screen is displayed and the user can complete the transaction.

This initiates the processing of screen 0300 of program SAPMF05A.

• For nested screens only the top screen is specified, i.e. the screen where the user fills in the values.
• Specify the screen number with 4 digits
• You should not use Screen commands within if ... endif, since this makes the script hard to understand, and sometimes the behaviour will be quite unexpected. Bad example:
  
  Screen S1
     Set V[x] "a"
     Enter
  
     if V[x=b]
  
        Screen S2
          Enter "xx"
     else
  
        Screen S2
          Enter "yy"
  
     endif
  
  Assume that we have Screen S1 and then  Screen S2. Does GuiXT now process Enter "xx" or Enter "yy"? In fact, in this example,  Enter "xx" is executed, since GuiXT looks for the next matching Screen command for Screen S2, without considering open if statements of previous screen blocks.
  Instead, please close all open "if" statements in each screen block:
  
  Screen S1
     Set V[x] "a"
     Enter
  
  Screen S2
     if V[x=b]
        Enter "xx"
     else
        Enter "yy"
     endif
  
  In some cases it makes sense to use goto/label:
  
  Screen S1
     Set V[x] "a"
     Enter
  
     if V[x=b]
        goto l_b
     endif
  
  Screen S2
     Enter "xx"
     goto l_continue
  
  label l_b
  Screen S2
     Enter "yy"
  
  label l_continue