Apply filter in ngClass?

Question

JavaScript

Is it possible to pass the following logic to ngClass:
If the line variable is true, then display the css class mt20, if not, then do nothing
Example
ng-class="mt20|line"
Where mt20 is a css class (not an angular variable), and line is boolian variable angular

Answer 1

<div ng-class="{mg20: line}">
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