Accessing of Order Confirmation 
You can access order confirmation for phases from within a PI sheet using the dynamic function call CONF_PH. In the function call, the following information is transferred to the function module COPF_ENTER_CONFIRMATION:
The function module calls up order confirmation according to the specifications made in the dynamic function call. Note, however, that maintaining confirmations is not possible in the following cases even if you have specified a maintenance transaction in the function call: