Converting an attribute to uppercase

[Daniel D'Angeli]

Hi,

i am running keycloak via docker-compose and i was trying to configured the OpenID provider for Nextcloud.

I mapped the LDAP_ID attribute for a user to be used as user id on nextcloud so that the current ldap users wont lose any files but i noticed that Nextcloud uses the ldap objectGUID in uppercase while keycloak provides it as lowercase.

Is it possible to convert to uppercase an attribute?

Regards,

Daniel D.