# ISymbolFrequency Interface

Namespace: [Qlik.Engine](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.htm)  
Assembly: Qlik.Engine.dll

## Syntax

```
[ValueClass]
public interface ISymbolFrequency
```

## Properties

| Name | Description |
| --- | --- |
| [Frequency](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.ISymbolFrequency.Frequency.htm#Qlik_Engine_ISymbolFrequency_Frequency) | Frequency of the above symbol in the field<br><br>JSON property name: qFrequency |
| [Symbol](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.ISymbolFrequency.Symbol.htm#Qlik_Engine_ISymbolFrequency_Symbol) | Symbol. Either string and NaN or number alone<br><br>JSON property name: qSymbol |