Each company is different and uses its own job categories and search fields to search for and report on job vacancies. Therefore, in HROffice, you can add your own job categories and dynamic fields.
Custom Functions are used within the Mini Job Portal and the job alert system.
If you are using the Mini Job Portal, you will use your custom job categories to filter job vacancies on your website.
When you use a job alert on your website, you use your custom job categories as options for website visitors, allowing them to create a job alert based on their preferences.