how to update a exported tbulic with new keys (create .tbupd file) programmatically?

Hello Community,

is there a way to update the exported translation bundles (.tbulic) with new keys from the translation project? I want to write the .tbupd file so that the translator is able to get newly added keys.

They way back, to import the contents of the bundle is working fine.

Regards,
Lars Hinkelmann