Function requestPermission

requestPermission(
messaging: Messaging,
iosPermissions?: IOSPermissions,
): Promise<AuthorizationStatus>
On iOS, messaging permission must be requested by the current application before messages can be received or sent.
Parameters
- messaging: Messaging
  Messaging instance.
- OptionaliosPermissions: IOSPermissions
  All the available permissions for iOS that can be requested.
Returns Promise<AuthorizationStatus>
Promise that resolves with the authorization status.
- Defined in modular.ts:124