It is called Expression Bodied Member and it absolutely was released in C# 6. It is simply syntactic sugar above a get only property. Below is another example on how @property might help when one should refactor code and that is taken from right here (I only summarize it below): https://whitelandurbanresortsector103.in/why-choose-whiteland-urban-resort-gurgaon-for-your-dream-home/