# IsBnfRule Property

## Overloads

| [IsBnfRule](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.BNFDef.IsBnfRule.htm#Qlik_Engine_BNFDef_IsBnfRule) |  | If set to true, a list of related rule tokens is assigned to `qBnf` .<br><br>This parameter is optional. The default value is false.<br><br>JSON property name: qIsBnfRule |
| --- | --- | --- |

[](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Engine.BNFDef.IsBnfRule.htm) [](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Engine.BNFDef.IsBnfRule.htm)

## IsBnfRule

If set to true, a list of related rule tokens is assigned to `qBnf` .

This parameter is optional. The default value is false.

JSON property name: qIsBnfRule

### Declaration

```

          public bool IsBnfRule { get; set; }
    
  
```

### Property Value

| Type | Description |
| --- | --- |
| System.Boolean |  |

### Implements

[IBNFDef.IsBnfRule](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IBNFDef.IsBnfRule.htm#Qlik_Engine_IBNFDef_IsBnfRule)