The system variable ConverseVar.eventKey identifies the key that the user pressed to return a text form to an EGL program. The value is reset each time that the program runs the converse statement.
If the EGL code has no input form, the initial value of ConverseVar.eventKey is ENTER.
You can use ConverseVar.eventKey as an operand in an if or while statement.
ConverseVar.eventKey is not valid in a basic program.
The comparison operator for ConverseVar.eventKey is either is or not, as in this example:
if (ConverseVar.eventKey IS PF3) exit program(0); end
Related reference
Logical expressions
System variables outside of EGL libraries