Language Guide

APPENDIX A
The Language at a Glance
Placeholders 309
errorNumberVariable A parameter variable for the error number.
expectedType A class identifier for the value class to which AppleScript was
attempting to coerce a value when an error occurred.
expectedTypeVariable A parameter variable for the value class to which AppleScript was
attempting to coerce a value when an error occurred.
expression A series of AppleScript words whose value is a Boolean, class
identifier, constant, data, date, integer, list, real, record, reference,
or string.
handlerDefinition A command or subroutine handler definition.
IDvalue An expression that evaluates to an object’s ID property. For most
objects, the ID property is an integer.
integer An expression that evaluates to an integer. (Integer is an
AppleScript value class. For more information about integers,
see page 48.)
label An identifier for a parameter.
labelForFalseParam An identifier for a Boolean parameter whose value is false.
labelForTrueParam An identifier for a Boolean parameter whose value is true.
list An expression that evaluates to a list.
listOfFiles A list of references, each of which has the form file
"Disk:Folder1:Folder2:...:Filename" or alias
"Disk:Folder1:Folder2:...:Filename" and specifies a file.
For more information , see page 144.
nameString A string of the form "Disk:Folder1:Folder2:...:FileName" that
specifies where a file is stored. For more information, see page 144.
number An expression that evaluates to an integer or real number.
offendingObject A reference to an object that caused an error.
offendingObjectVariable A parameter variable for the reference to the object that caused
an error.
parameterValue An expression that evaluates to a value of a parameter.
continued
Table A-11 Placeholders used in syntax descriptions (continued)
Placeholder Explanation