How to define a materials flow Step 05 Select also (left click) the activity Picking in the left project tree. Then right click and Create/Insert - Materials flow - Job. - In this case we start with the job Normal orders. - Choose Orderpicking and click next. - Fill in the relevant information for each job e.g. as per the picture to the left. - Then go back and define also the job: Big orders (1000 orderlines and 4 picks per line) under the activity Picking.