SmartCard.ListReaderGroups
--------------------------

Queries list of reader groups.

| Component | Version | macOS | Windows | Linux | Server | iOS SDK |
|---|---|---|---|---|---|---|
| [SmartCard](component_SmartCard.md) | [6.3](newinversion63.md) | ✅ Yes | ✅ Yes | ❌ No | ✅ Yes, on macOS and Windows | ❌ No |

MBS( "SmartCard.ListReaderGroups"; SmartCardContext ) 

**MBS**( **"SmartCard.ListReaderGroups";** /\* Queries list of reader groups. \*/  
**$SmartCardContext**) /\* The smartcard context reference number. \*/ 

### Parameters

| Parameter | Description | Example |
|---|---|---|
| SmartCardContext | The smartcard context reference number. | $SmartCardContext |

### Result

Returns list or error.

### Description

Queries list of reader groups.  
Provides the list of reader groups that have previously been introduced to the system.  
  
The groups may be SCard$AllReaders, SCard$DefaultReaders, SCard$LocalReaders and SCard$SystemReaders.  
### See also

- [SmartCard.ListReaders](SmartCardListReaders.md)

This function checks for a license.

Created 13th June 2016 , last changed 18th June 2016

  
[SmartCard.Init](SmartCardInit.md) - [SmartCard.ListReaders](SmartCardListReaders.md)

[HTML Version](SmartCardListReaderGroups.shtml)