## On this page

  

 

 # requestAuthCredentials

 Last update: 30.07.2026 

abstract fun [requestAuthCredentials](request-auth-credentials.md)(uri: [String](https://docs.oracle.com/javase/8/docs/api/java/lang/String.html), isFailedAttempt: [Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html), username: [ValueHolder](./../../com.phoenix_int.ModelCenter.util/-value-holder/index.md)<[String](https://docs.oracle.com/javase/8/docs/api/java/lang/String.html)>, password: [ValueHolder](./../../com.phoenix_int.ModelCenter.util/-value-holder/index.md)<[String](https://docs.oracle.com/javase/8/docs/api/java/lang/String.html)>, savePassword: [ValueHolder](./../../com.phoenix_int.ModelCenter.util/-value-holder/index.md)<[Boolean](https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html)>): [Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html)

Called when ModelCenter needs to request a username and password.

#### Return

true if username/password is submitted, false otherwise

#### Parameters

uriURI authenticating toisFailedAttempttrue if request is due to previous failed attempt, false otherwiseusernameusername to use (inout)passwordpassword to use (inout)savePasswordtrue if password should be saved, false otherwise (inout)#### Throws

[ModelCenterException](./../-model-center-exception/index.md)