BAPI_ALM_ORDER_MAINTAIN add component item category 'N'

Hi Guru's,

I am trying to add components which item category is 'N' to maintenance order thanks to BAPI_ALM_ORDER_MAINTAIN but i can not handle with it.

Could you please help me.

In my scenario,

PM order is 400000012

and i am trying to add 2 components which are 3000000005 and 3000000006 with item category 'N'

Thank u so much!.

Cheers.