warehouse release in sales order

Standard AX processing allows for an Auto Release to Warehouse function, and a manual release to warehouse function?

what is Auto Release to Warehouse function and manual release to warehouse function in sales order and how to create this?

Releasing and order to warehouse means the order is ready to ship from the warehouse. The release to warehouse can be done manually(from sales order) or automatically(from warehouse management).

I will recommend to read the manual for this as this is crucial functionality. Following link might be useful: