The API is called via game.alwayscentred; for example
game.alwayscentred.centredisabled()
game.alwayscentred.dmcontrol() (async) takes no args. Turns on DM control if it is off and turns it off if it is on.
game.tension.centredisabled() (async) takes no args and disables centring
game.tension.centreparty() (async) takes no args and sets the centring to Party View
game.tension.centreselectedtoken() (async) takes no args and sets the centring to Selected Token