Abstract: The method includes providing a computer model for producing the desired metal workpiece from the flat metal product in a processing procedure, the processing procedure including processing step on the flat metal product by a processing device, receiving technical data record characterizing the flat metal product, at least part of the data of the technical data record having been recorded during the production of the flat metal product, passing the technical data record to the input of the computer model, based on the passing of the technical data record, receiving a model value for an operating parameter of the processing device from the output of the computer model, producing the desired metal workpiece by controlling the processing procedure, the control of the processing procedure including a controlling of the processing device to perform the processing step on the flat metal product using the operating parameter set to the model value.