How to setup Dovecot plugin in FusionDirectory?

Question

LDAP

Installed FusionDirectory version 1.0.19. You need to configure the plugin so that when adding a mail record to a user account, the user's mail is automatically created.
On the Postfix+Dovecot+PostfixAdmin mail server,
I didn't understand how to implement this, since there is very little official documentation on plugins.
I installed the fusiondirectory-plugin-dovecot plugin, but I had problems with the settings, namely which account to enter in the plugin settings.