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posted Oct 5, 2014, 5:53 AM by Sen Long

Transaction: VOFM
Table: TFRM and TFRMT


Routines are short sub-programs that carry out various checks during document processing. In the SD module, you can create and process routines for copying requirements, data transfer, requirements and formulas using transaction VOFM. Besides the routines delivered to you with the system, you can create your own individual routines.

Transaction VOFM allows you to follow a standardized procedure for creating routines. The name ranges are predefined for routines delivered to you with the system and for routines created by the customer. This name convention guarantees that your own routines are not overwritten during a Release upgrade.
Copying requirements and data transfer
The routines for coying requirements and data transfer are defined for the document types sales orders, deliveries, billing documents, sales activities, as well as for texts. You specify copying requirements and the data transfers when defining the document flow for each document type. You enter the routines for texts in the access sequences for texts.
Copying requirements determine which data is copied during the copying of documents. A copying requirement could define, for example, that the same customer must appear in the document header when you copy an inquiry to a quotation.
Routines for data transfer make a detailed control of the copying of fields possible. A data transfer could define, for example, that particular item fields can only be copied in combination with other particular fields and can only be copied into contracts or credit and debit memos.

Requirements and formulas

Routines for requirements and formulas are used for functions using the condition technique . You enter these routines in the pricing procedure or the condition types. Requirements are also used for statistics.
A requirement in pricing can determine that an access is dependent on a particular precondition. It can carry out a check of the document currency, for example, and, depending on whether it is a foreign or the local currency, allow or deny the access.
Formulas are used in pricing to define various factors for pricing. Formulas are defined for scale base value, condition base value, condition amount, group key, and rounding rules. The formula for a rounding rule could define, for example, that all calculated amounts are rounded to two places behind the decimal point during a price change of the condition record. The formula for a condition base value could define, that the header discount is distributed among the order items according to volume an not value of the item, as is the case in the standard SAP R/3 System.

Creating routines

There are two methods to create a routine
1. Creating by overwriting
When using this method, a note appears as a commentary in the routine to be newly created.
2. Creating
When creating a new routine, an ABAP with internal number assignment is created.
You always have to activate a new routine before using it. Each routine for requirements and formulas, copying requirements and data transfers is stored in a separate program. For each new routine an entry is added in table TFRM and TFRMT. For each routine, a long text can be stored as a text module.
Most routines must be changed in client 000. Transaction VOFM can be transported as XPRAs, which means that after the import all routines can be activated.
Name ranges for routines
The standard routines are to be within the number range 001-599 (for 2 digit formula numbers, 01-49)
The user routines are to be within the number range 600-999 (for 2 digit formula numbers, 50-99).
Interface to the transport system
For technical reasons, an interface to the transport system is not possible at the moment. Until up to and including Release 3.0, developments have to be transported manually using correction numbers and transport requests.

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