Variable Insertion (Interpolation) is a way to dynamically modify a string expression , or object at runtime.
Usage Engine uses curly brackets to indicate that a Variable Insertion will take place. The variable insertion is supported in some Functions' configuration fields and also within Script and Script Aggregator Functions.
Within the curly brackets, you can access variables that belong to different scopes and use them to generate a dynamically changed output at runtime. Depending on what you want to achieve or manipulate, the output from Variable Insertion can be a string, (if prefixed by '$') or an object( if prefixed by '@' ).
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While using '$' or '@', note the following:
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Variable Insertion with Scopes Anchor table table
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You can use Variable Insertion using the following scopes/variables/objects only:
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