How to add custom fields which should not be visible in any forms, but should hold a value which will be utilized to sync the records to external source.
Need to add a custom field in all the screen which will be used only for internal data sync from quickbooks online to SQL database. This custom field will hold the value whether or not the record is synced to SQL. This should not be visible in any form / for any customers.
Need your help / suggestions / work around / samples to solve this