# ExitChars
> [HTML Version](exitchars.htm)
_Revised December 2023_
**ExitChars=**
Defines a set of characters that will force an exit from the tree, where can be any combination of the following:
0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ
In addition to the above, a caret ('^') may be inserted in front of any of the alphabetic characters to indicate a control char, e.g. **^M** triggers an exit on receipt of a CR (ENTER key).
**Notes**
· The alphabetic characters are not case sensitive.
· The exitcode will be set to -51.
· XTR.XNAVCOD will be set to the actual character entered
· This feature is not column-sensitive.