wso2is - How to get user store domain by admin services? -

i want user's domainstore username frameworkutils.prependuserstoredomaintoname(username) in identity.application authentication.endpoint, how it?

can use admin service it?

does username contain domain name ? abc/username ?

if can use util method in [1] retrieve domain name.

[1] https://github.com/wso2/carbon-kernel/blob/4.4.x/core/org.wso2.carbon.user.core/src/main/java/org/wso2/carbon/user/core/util/usercoreutil.java#l710