This type of meditation is repeating a word or phrase to yourself to help bring your focus to your meditation. You can choose one of the affirmations in the memes on this website to use.
This type of meditation is very helpful in improving your health by lowering your blood pressure, depression, anxiety, and stress. It also increases self-awareness, a sense of calm, a positive outlook, and increases your self-compassion. So if you are having trouble loving yourself in the Loving Kindness Meditation you can try this one first.
This type of meditation also helps if your mind wanders too much while meditating because your focus is on the mantra that you have chosen which helps keep your focus from your mind coming up with different things.