The given is an example of Event marketing .
Explanation:
Event marketing is the conceptual advertising through promotional events of a brand, company or product. This usually involves personal contact with members of a company. The coordination, advertising and conducting of events must not be mistaken with event management.
Many event marketing approaches are based on the traditional kinds of events such as conferences and job fairs. Event Marketing is the fastest way to sell tickets and raise your ROI, regardless of the kind of activity you intend for.
The brand of the magazines has defined its promotional activity as the Coachella of the beauty industry with its stars, master classes and free treatments for relaxation.