HIER is a SAP tcode coming under SV module and SAP_BASIS component. View some details about HIER tcode in SAP.
- HIER tcode used for : Application Hierarchy Maintenance in SAP
- Module : SV-ASA (ASAP (AcceleratedSAP))
- Parent Module : SV (Service)
- Package : SDFU (SAP-Internal Test Programs (No Support))
- ABAP Program : ADITEST8

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Definitions
What is SAP ?SAP is the short form of Systems, Applications & Products in Data Processing. It is one of the largest business process related software. This software focused on business processes on ERP & CRM.
What is transaction code in SAP?Transaction code shortly known as tcode, is a shortcut code to access different functional areas in SAP. It avoid users from long menu path to reach a report. Instead of that users can type the corresponding transaction code and press enter, the corresponding SAP page will load. It’s a good practice to remember or note down the transaction codes that we need to use in our regular work.
HIER related transaction codes
| Tcode | Note | 
|---|---|
| RSHIER | Hierarchy maintenance w/o AdmWB | 
| BW09 | BW20PI: Product Hierarchy for SAP BW | 
| BW10 | BW20PI: Log. Gen. Hierarchy for BW | 
| BPH_DNL | Initial Download BP Group Hierarchy | 
| BPH_DNLREP | Initial Download Account Hierarchy | 
| KKR0 | CO Summarization: Hierarchy Maintena | 
| OKQ5 | Maintain Hierarchy Struct. (General) | 
| OKVO | Call Summariz. Hierarchy for Orders | 
| SEND_BUHI | Send Group Hierarchy Directly | 
| DIOHFWC3 | Hierarchy definition (customizing) | 
| WRFGHPARAM | Edit Hierarchy Parameters | 
| WRFGHTREE | Edit Hierarchy Tree | 
| WRF_MATGRP_INIT_DLD | Article Hierarchy Initial Download | 
| WRF_MATGRP_REQ_DLD | Article Hierarchy Direct Download | 
| BPH | Business Partner Group Hierarchy |