Which object is relevant in assembly processing to create an assembly order for the SD...

Requirement class is an object that is relevant in assembly processing to create an assembly order for the SD document. Requirement class defines whether an assembly order is created automatically or manually for a sales order item, and whether it is relevant for availability check, costing, or settlement. Requirement class also controls the assignment of requirements type and account assignment category to the sales order item. Reference:https://help.sap.com/viewer/0c9a2f8f9c1b4a2e8b3f7d0c9b6e1d8a/2020.000/en-US/4c5f7a3e6b571014e10000000a174cb4.html