groupId property
kSecAttrAccessGroup
: Shared.
Specifies the app group for shared access. Allows multiple apps in the
same app group to access the item.
Note for macOS: This attribute applies to macOS keychain items only if you also set a value of true for the kSecUseDataProtectionKeychain key, the kSecAttrSynchronizable key, or both.
Implementation
final String? groupId;