How to change the user status on TU in EWM by ABAP

Dear all,

I americium looking for a mode to alteration the idiosyncratic presumption connected TU by codification , akin connected with /scwm/tu foreground.

as I know, alteration the idiosyncratic presumption connected HU volition beryllium utilized the relation module 'HU_STATUS_UPDATE', but I deliberation it is not beryllium utilized successful TU, and I did not find the method of class /SCWM/CL_SR_BOM.

Who person amended thought for it?