Added fields do not appear in Migration templates

Dear colleagues,

Assist me please with the following:

We added new field using Studio to the Customer card, it is well visible in the Customer card.

All data from Drop list visible as well, we can choose it and save without errors.

but

When we try to download Customer migration temlate there is no this new field in the template.

Field type - Codelist

Thank you in advance.

Cheers,

Alexander