Environment watch by name for changes

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Schema

Environment watch-by-name-for-changes.png

Operation

Watch a variable.

Whenever the variable's value changes, send the value to the changedValue output. This block remains active for the duration of the containing block's activity and must be terminated via a cancel, or by terminating the containing compound block.

WARNING: the input is given the name of a variable as string. This means, if you connect an environment-freeze, that variable's contents provides the name (i.e. you get another indirection). Use this block, if the name of the variable is dynamic.


Revisions

This block has been added with the Standard Library 1.7.1.


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