At every moment in AppleScript code, you are speaking to some object. That object is the target, to which, unless you specify otherwise, all messages will be sent. The target can be implicit, or you can specify an explicit target. Knowing what object is the target, and how to specify a desired target, is very important to your successful use of AppleScript.
The implicit target is the current script or script object. In this
code, the implicit target of
set is the script
set x to 5
In this code, the implicit target of
set is the
script myScript set x to 5 end script
There are two ways to specify an explicit target. Not coincidentally, they bear a strong resemblance to the two ways of accessing a script object’s top-level entities (Chapter 9). You can specify an explicit target:
ofoperator or its synonyms. A synonym for
in. (I never use this.) Another synonym, for most purposes, is the apostrophe-ess operator: instead of saying
y, you can say
ofoperator specifies the target for just a single expression, and overrides all other targets, explicit or implicit.
With a tell block. Instead of an actual block, one may apply
tellto a single command (Section 12.3), but this is still just a special case of a tell block.
In the context of a tell block, the object specified in the announcement is the default target for everything you say. This can be overridden by specifying a different target, using either an embedded tell ...
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