When an author aims to change a reader's opinion or viewpoint, what is this writing purpose called?

The writing purpose of aiming to change a reader's opinion or viewpoint is referred to as "to convince." This term is commonly associated with persuasive writing, where the author uses various techniques such as reasoning, emotional appeals, and evidence to influence the reader's beliefs or actions. By focusing on convincing the reader, the author often presents arguments, provides examples, and addresses potential counterarguments in order to make a compelling case for their perspective. This form of writing is prevalent in essays, opinion pieces, and advertisements, where the goal is to persuade the audience towards a particular stance or decision.