Expression language in PDF Generator API is a specific programming language that allows writing mathematical and logical expression to manipulate the value displayed by component. Expression language can be written into the "Text" component "Raw value" under the "Formatting" view.

Example expression
{% 2 + {dataFieldName} + {dataFieldName2}*0.5 %}

Use "Number" formatting when creating calculations or using sum, average, sumproduct functions.
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