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When you process an object (such as a BOM item) using a particular change number for the firsttime, the system generates a new processing status (change status [Ext.]). If your organizationdoes not use parameter effectivity, these changes simply have time-related validity, which meansthat a change status's validity extends from its valid-from date to immediately before the validfromdate of the change status following.However, if you do use parameter effectivity, you can also make a change status's validitydependent on other criteria, such as serial number or customer.

An employee can access the workflow information they require from any Internet connection. It isno longer necessary to install the R/3 frontend component and set up a connection to the R/3System.This helps your external employees who are often off the premises. The worldwide availabilityof the Internet also means access to the R/3 System at all times, without having to set up a timelimitedconnection to the “home” R/3 System via the telephone network.There are also advantages for your internal employees who do not use any R/3 functionalityother than querying status reports. The user interface of an Internet browser is often the familiaruser interface to these users. They now no longer have to leave this to use workflow functions

SAP Business Workflow has the technology and tools for automated control and processing ofcross-application processes.You can use workflow within the Project System to automate and integrate the performance ofcross-application and cross-department processes within one project.The Project System uses
Predefined standard tasks in purchasing, confirmation, and during configuration changes
Workflow tasks in milestones, which can also be user-defined.

This tutorial is designed to be read as a continuous document. It covers all the steps you have totake to convert R/3 transactions to Web transactions, and demonstrates specific features ofinterest in the context of Web transaction development.

The Web Transaction API is a set of ABAP macros and functions for programming Web transactions. You can use these macros and functionsin ABAP programs to import data from, and export data to, the Internet Transaction Server (ITS).