One Pointedness comes from living in the moment. Simply direct your attention to, Now. Even say it mentally to affirm the experience. Something like, ‘Be in this moment’. Or ‘Experience Now’.
As one pointedness begins to take hold in your psychology notice that it has a physiological correlate in the heart. Let the attention go there. Rest there. Be there.
The heart will open like a porthole into pure being-ness. Go through it. Rest there.