# CredentialTransferCapabilitiesRequest

Artifact: [androidx.credentials.providerevents:providerevents](https://developer.android.com/jetpack/androidx/releases/credentials-providerevents) [View Source](https://cs.android.com/search?q=file:androidx/credentials/providerevents/transfer/CredentialTransferCapabilitiesRequest.kt+class:androidx.credentials.providerevents.transfer.CredentialTransferCapabilitiesRequest) Added in [1.0.0-beta01](https://developer.android.com/jetpack/androidx/releases/credentials-providerevents#1.0.0-beta01)

*** ** * ** ***


```
public final class CredentialTransferCapabilitiesRequest
```

<br />

*** ** * ** ***

A request for the state of the provider's credentials that can be exported

## Summary

| ### Public constructors |
|---|
| `https://developer.android.com/reference/androidx/credentials/providerevents/transfer/CredentialTransferCapabilitiesRequest#CredentialTransferCapabilitiesRequest(kotlin.collections.Set,kotlin.collections.Set)( @https://developer.android.com/reference/androidx/annotation/NonNull https://developer.android.com/reference/java/util/Set.html<@https://developer.android.com/reference/androidx/annotation/NonNull https://developer.android.com/reference/java/lang/String.html> credentialTypes, @https://developer.android.com/reference/androidx/annotation/NonNull https://developer.android.com/reference/java/util/Set.html<@https://developer.android.com/reference/androidx/annotation/NonNull https://developer.android.com/reference/java/lang/String.html> knownExtensions )` |

| ### Public methods |
|---|---|
| `final @https://developer.android.com/reference/androidx/annotation/NonNull https://developer.android.com/reference/java/util/Set.html<@https://developer.android.com/reference/androidx/annotation/NonNull https://developer.android.com/reference/java/lang/String.html>` | `https://developer.android.com/reference/androidx/credentials/providerevents/transfer/CredentialTransferCapabilitiesRequest#getCredentialTypes()()` the credential types that the requester supports. |
| `final @https://developer.android.com/reference/androidx/annotation/NonNull https://developer.android.com/reference/java/util/Set.html<@https://developer.android.com/reference/androidx/annotation/NonNull https://developer.android.com/reference/java/lang/String.html>` | `https://developer.android.com/reference/androidx/credentials/providerevents/transfer/CredentialTransferCapabilitiesRequest#getKnownExtensions()()` the known extensions that the importer supports. |

## Public constructors

### CredentialTransferCapabilitiesRequest

Added in [1.0.0-beta01](https://developer.android.com/jetpack/androidx/releases/credentials-providerevents#1.0.0-beta01)

```
public CredentialTransferCapabilitiesRequest(
    @NonNull Set<@NonNull String> credentialTypes,
    @NonNull Set<@NonNull String> knownExtensions
)
```

## Public methods

### getCredentialTypes

Added in [1.0.0-beta01](https://developer.android.com/jetpack/androidx/releases/credentials-providerevents#1.0.0-beta01)

```
public final @NonNull Set<@NonNull String> getCredentialTypes()
```

the credential types that the requester supports. By default, this field will be used to filter which `https://developer.android.com/reference/androidx/credentials/providerevents/transfer/ExportEntry` will be displayed. The values include, but not limited to, the constants in `https://developer.android.com/reference/androidx/credentials/providerevents/transfer/CredentialTypes`. This cannot be empty. The exporter should return credentials that map to the requested types. Unknown values should be ignored.

### getKnownExtensions

Added in [1.0.0-beta01](https://developer.android.com/jetpack/androidx/releases/credentials-providerevents#1.0.0-beta01)

```
public final @NonNull Set<@NonNull String> getKnownExtensions()
```

the known extensions that the importer supports. The values include, but not limited to, the constants in `https://developer.android.com/reference/androidx/credentials/providerevents/transfer/KnownExtensions`. This can be empty. The exporter should return extensions that map to the requested extensions. Unknown values should be ignored.