Centering objects on an anchor

[BluHornet]

I am trying to place a string that is player generated centered on a spot. The problem is I don't know how long the string a player enters will be. Is there a way in the anchor to tell it to center on the anchor instead of starting on the anchor?

[Trenloe]

Use <center /> https://www.fantasygrounds.com/refdoc/textbasecontrol.xcp

[BluHornet]

Thanks