Hi, if you have developed a new modeling algorithm that you want to share or use in other diagrams, you might want to create an extension node. An extension node is essentially a SAS code node that has a custom property sheet and icon associated with it. SAS(R) Enterprise Miner(TM) 7.1 Extension Nodes: Developer’s Guide But could you explain a bit more about the nodes in your flow? A screen shot of your flow would help. Ray
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