AMOSi:Input$
There are two different forms of this command. The simplest reads a number of characters straight from the keyboard.
x$=Input$(character count)
an example can be found on AMOSPro_Examples:Examples/H-4/Help_42.AMOS(characters)
You can also enter your characters directly from an open file or a device.
x$=Input$(channel,character count)
an example can be found on AMOSPro_Examples:Examples/H-6/Help_69.AMOS(channel,characters)