What is 'custom function' in SAP BI-RA-CR - Crystal Reports?

custom function - Overview

• Component: BI-RA-CR

• Component Name: Crystal Reports

• Description: A procedure you create to evaluate, make calculations on, or transform data. When you use this function in a formula, all the operations in its definition are performed without you having to specify them individually in the formula itself. Thus, it provides a way for you to share and reuse formula logic which, in turn, makes it easier and less time consuming for you and your users to create reports.

custom function - Details

• 
  Key Concepts: 
  Custom functions are a feature of Crystal Reports that allow users to create their own custom formulas and functions. These functions can be used to perform calculations, manipulate data, or perform other tasks. Custom functions can be used to create complex reports and dashboards.
  
  How to use it: 
  Custom functions can be created in Crystal Reports by selecting the “Create Function” option from the “Tools” menu. This will open a window where users can enter their custom formula or function. Once the formula or function is entered, it can be saved and used in reports and dashboards.
  
  Tips & Tricks: 
  When creating custom functions, it is important to ensure that the syntax is correct and that all variables are properly defined. It is also important to test the function before using it in a report or dashboard. This will help ensure that the function works as expected and produces accurate results.
  
  Related Information: 
  For more information on custom functions in Crystal Reports, please refer to the official SAP documentation at https://help.sap.com/viewer/product/CRYSTAL_REPORTS/14.2/en-US.