@NonNull abstract fun setSignedString(@Nullable @Size(1) signedString: String?): Editor
Setter for "Signed String" in the SDK. The value is passed through the SDK to the Marketing Cloud Servers and can be used as a means to authenticate devices/contacts.
Setting this value to null will remove the field from the Registration payload. All other non-empty String values are passed along as-is. Empty values are ignored.
This feature must be enabled on your account by your account manager prior to use.
signedString - String?: can be null or any non-empty string.
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Editor: RegistrationManager.Editor