Advertising new offers, and writing the job advertisements, belong to common duties of an HR Generalists.
It is easy to attract young talent once we are in economic recession, and people battle for jobs. But when we experience economic expansion, job boards are full of ads, and companies “fight” for quality people (or sometimes they “fight” for any people), it is a true art to write a job offer that will stand out, and attract the right kind of applicants.
Try to show some methodology in your way of thinking. You can say that you would spy on your competition, checking their job ads, and trying to find out how the company stands out. You would emphasize these things on the job offer.
It can be the structure of benefits (or particular benefit), it can be the working culture, career growth option—it can be many things