# Introduction
fixes https://github.com/twentyhq/twenty/issues/16905
Do not merge until `IS_WORKSPACE_CREATION_V2_ENABLED` has been activated
by default, and so sync metadata has been deprecated by doing so. As the
sync metadata will attempt to insert `null` `applicationId` and
`universalIdentifier` values while creating a workspace
In this PR we're introducing a new `SyncableEntityRequired` which
enforces the non nullable `applicationId` and `universalIdentifier` on
extending entity
In this PR we also migrate the field metadata entity to extend the
required
## Identification upgrade command
This command will search for workspace field metadata entities that
aren't associated to an applicationId, dispatch them to either the
workspace-custom `applicationId` or the twenty-standard `applicationId`.
For the standard entities it will also set their universal identifier
based on the `STANDARD_OBJECTS` const hashmap
## Typeorm migration
As the non nullable `applicationId` and `universalIdentifier`migration
won't pass in the first we've been using the save point and upgrade
command migration fallback pattern
## Tests
Tested the command on a prod extract locally
Both `twenty-eng` and `twenty-for-twenty` have unexpected standard
objects
Please note that we will deprecate the `isCustom` and `standardId` col
later in the future
### Twenty-eng
```ts
[Nest] 98971 - 01/01/2026, 3:18:00 PM LOG [IdentifyStandardEntitiesCommand] Successfully validated 600/600 field metadata update(s) for workspace 9870323e-22c3-4d14-9b7f-5bdc84f7d6ee (309 custom, 291 standard)
[Nest] 98971 - 01/01/2026, 3:18:00 PM WARN [IdentifyStandardEntitiesCommand] Found 35 warning(s) while processing field metadata for workspace 9870323e-22c3-4d14-9b7f-5bdc84f7d6ee. These fields will become custom.
```
### Twenty for twenty
### Just created workspace
