SAP Function Module search on MBX
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MBX_GET_SYSTEM_TYPE - Returns the system type i.e. SAP or CUSTOMER
MBX_READ_MSGCLS - To update messages in the MapBox msg class table.
MBX_READ_MSGCLS_ALL - To update messages in the MapBox msg class table.
MBX_RETURN_ALL_LANGUAGES - Returns all the languages supported by system.
MBX_UPDATE_MSGCLS - To update messages in the MapBox msg class table.
Return Table index