This value remains available for modification as long as the order line has not been created yet and the field has been set up as available for entry in the entry transaction. In this case, if the entry transaction authorizes it, the requirement consideration window automatically opens when exiting the field. This windows only displays the requirements corresponding to the entered product type:
If the product type is set up as 'displayed' or 'hidden', it always correspond to the value of the DEFITMKND - Default service type parameter. The requirement consideration window opens as soon as the product reference is entered.
From the Buyer plan, you can open the requirement consideration widow before entering the product reference: click the Actions icon available at the beginning of each line. In this case, the value of the DEFITMKND - Default service type parameter is not used. All requirement types matching the selection are displayed, for all types of products. After selecting the lines and validating, the lines are automatically generated and display the proper product type, based on the origin of the requirement.