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IDoc message type MRESCR
From SAP Knowledge Base
If data from the reservation is to be provided to a partner, the MRESCR can be used as a message type.
For example, if the partner posts a receipt for the reservation, this can be received as a goods movement with message type [[IDoc_message_type_MBGMCR].
Message type: MRESCR
Basis type: MRESCR0X
Direction : Ausgang
Creation
Since it is an internal document, message control cannot be used.
Therefore, the IDoc must be created with a Exit MBCF0007 - EXIT_SAPMM07R_001 after saving the reservation with fm 'ALE_RESERVATION_CREATE'. The Exit or Exit-FuBa provides current reservation data.