# AbilityDelegatorArgs
> **NOTE**
>
> The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version.
## Modules to Import
```js
import AbilityDelegatorRegistry from '@ohos.application.abilityDelegatorRegistry'
```
## AbilityDelegatorArgs
Describes the test parameters.
| Name | Type | Readable| Writable| Description |
| ------------------- | ---------------------- | ---- | ---- | ------------------------------------------------------------ |
| bundleName | string | Yes | Yes | Bundle name of the application to test.
**System capability**: SystemCapability.Ability.AbilityRuntime.Core|
| parameters | {[key:string]: string} | Yes | Yes | Parameters of the unit test that is started currently.
**System capability**: SystemCapability.Ability.AbilityRuntime.Core|
| testCaseNames | string | Yes | Yes | Test case names.
**System capability**: SystemCapability.Ability.AbilityRuntime.Core|
| testRunnerClassName | string | Yes | Yes | Names of the test executors that execute the test cases.
**System capability**: SystemCapability.Ability.AbilityRuntime.Core|