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Accessing Entities and Other Model Data

When you reference a scalar entity or set/array element from the model, an object with two properties is returned.
  • value - this is the raw value of the scalar or element.
  • label - if the model entity has an associated labels array, this is the label that corresponds to the current value of the scalar or element. If there is no label for the current value or if there is not a label array associated with the entity, then the label is a string representation of the current value. The label property will always be a string type.

You must always reference either the value or label of an entity within expressions, otherwise calculations could result in error, or string concatenations might show the text [object Object].

If you are in debug mode and you forget to specify the value or label, a log message is written to the browser console.

Covered Topics
Parent Topic Using Expressions

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