Grouping of component on pcb ckt wise for ease of placement

I woud like to ask is there any command in Alitum Designer 17.0 which will help to group component circuit wise while we provide netlist to pcb from schematic. Actually i have single page schematic with many circuits on it block wise like GPS, RF, Power supply, RS485 and many more. when i provide netlist to pcb all these components get mix up on pcb and i need to search component one by one block wise for placement and it is very time consuming & lengthy process.

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