---
title: CredentialSession.ErrorCode.commandNotSupported
framework: secureelementcredential
role: symbol
role_heading: Case
path: secureelementcredential/credentialsession/errorcode/commandnotsupported
---

# CredentialSession.ErrorCode.commandNotSupported

Your app attempted an unsupported Secure Element command.

## Declaration

```swift
case commandNotSupported
```