@ohos.app.ability.ExtensionAbility (ExtensionAbility Base Class)
ExtensionAbility is the base class for scenario-specific ExtensionAbilities. It is inherited from Ability, with no attribute or method added. You cannot inherit from this base class.
NOTE
The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version. The APIs of this module can be used only in the stage model.
Modules to Import
import ExtensionAbility from '@ohos.app.ability.ExtensionAbility';
System capability: SystemCapability.Ability.AbilityRuntime.AbilityCore