# SyncteraRubySdk::Security ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **linked_account_id** | **String** | ID of linked backing account for use as a security, e.g. for use in a Smart Charge Card offering. Must be of type CHECKING or SAVING. | | ## Example ```ruby require 'synctera_ruby_sdk' instance = SyncteraRubySdk::Security.new( linked_account_id: null ) ```