# 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|