When and How to Develop Custom Functions and Operations

  • by Steve Bogner, Managing Partner, Insight Consulting Partners
  • November 15, 2003
SAP's standard functions and operations provide functionality to solve most time and payroll calculations. But in some cases they don’t, and that is when you can develop custom functions and operations for both payroll and time management. The author introduces you to the basics, including how to design, code, and use them.

SAP’s standard functions and operations provide functionality to solve most time and payroll calculations. But in some cases they don’t, and that is when you can develop custom functions and operations. Both payroll and time management can use custom functions and operations. The process for creating them is much the same.

I’m going to introduce you to the basics of knowing when to create custom functions and operations, if it is a function or an operation that is needed, and how to design, code, and use them.

Build a Function or an Operation?

Custom functions and operations require a good deal of thought, analysis, and design. My rule of thumb is that 90 percent of the effort should be spent in analysis and only 10 percent on coding. Functions and operations are coded in ABAP, so you have all the flexibility of that programming language, but should you create a custom function or a custom operation?

Steve Bogner

Steve Bogner is a managing partner at Insight Consulting Partners and has been working with SAP HR since 1993. He has consulted for various public, private, domestic, and global companies on their SAP HR/Payroll implementations; presented at the SAP user's group ASUG; and been featured on the Sky Radio Network program regarding SAP HR.

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