Many anxiety sufferers report a sense of failure when meditating because of false expectations that they should not be anxious or that anxiety itself renders the meditation pointless. To the contrary, anxiety is a feeling, and this another object of attention. Noticing when your attention is attached to it and then returning to the breath is what meditation is all about. If you spend ten minutes going back and forth between the breath and noting the presence of anxiety, then you spent ten minutes meditating and enhancing your mindfulness skills.

I've found here [Simple yet Effective Meditation Techniques](https://www.livewelltalk.com/2020/02/Meditation-Techniques-for-Anxiety-and-Panic-Attacks.html)