The name of the issue type will be returned in Jira's default language. If a translated value should be returned in general this setting can be updated in the configuration of theĀ xApps library.
Field code server (context "issue")
%{issue.issueType}
00014
Field code server (context "parent")
%{parent.issueType}
00040
Field code cloud (context = "issue" "parent" or "seed")