How to use truncate in EL Expression

Summary:

I need to use an EL Expression in Page Composer to hide the MM-DD part of the DOB and display only year from DOB of the employees, based on the role.

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

25c

Code Snippet (add any code snippets that support your topic, if applicable): #{!(securityContext.userInRole['****_HM_JOB,****_MNGR_Job'])==true? row.bindings.DisplayPhoneNumber.inputValue : truncate(row.bindings.DisplayPhoneNumber.inputValue,5)}