code: public static String displayNameFor(@Nonnull Job<?, ?> job) {
          GithubProjectProperty ghProp = job.getProperty(GithubProjectProperty.class);
          if (ghProp != null && isNotBlank(ghProp.getDisplayName())) {
              return ghProp.getDisplayName();
          }
  
          return job.getFullName();
      }
docs: Extracts value of display name from given job, or just returns full name if field or prop is not defined
  
  @param job project which wants to get current context name to use in GH status API
  
  @return display name or full job name if field is not defined
  @since 1.14.1