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set [the] messageWatcher ¬ to resourceName

The messageWatcher property returns or sets the name of the external command (or XCMD) that displays the Message Watcher window for tracing scripts. The name of HyperCard’s message watcher is MessageWatcher.

Third-party developers might supply other message watchers that you can install into HyperCard.

Click Tips for information about the properties of the message watcher.


A text expression that evaluates to the name of a resource in the current stack, a stack being used, the Home stack, or HyperCard itself.

Resources have different types. Some common resource types used with HyperCard are PICT, ICON, XCMD, and XFCN.

Related Topics

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