# 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.