SAP Function Module search on CF_NR
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CF_NR_AKTYP_SET - Set transaction type and activity type
CF_NR_AUTHORITY_CHECK - PRT master authorization check
CF_NR_FHMAR_GET - Determine current PRT category
CF_NR_FHMAR_SET - Set a PRT category
CF_NR_FHM_MASTER_DATA_GET - Determine current PRT master
CF_NR_FHM_MASTER_DEQUEUE - Unlock PRT master
CF_NR_FHM_MASTER_ENQUEUE - Lock PRT master record
CF_NR_FHM_MASTER_READ - Read PRT master record
CF_NR_INIT - Initialize PRT number entry screen modules
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