4)Custom Logic & Input Validation in SAP CAPM | Real-Time Example with Event Handlers

In this video, we dive deep into implementing *custom logic* and *input validation* in SAP CAP (Cloud Application Programming Model). You'll learn how to use *event handlers* like before, on, and after to apply business rules and validations in your CAPM services. ✅ What you’ll learn: * How to add custom logic using event handlers * before hooks explained with real-time examples * Enforcing mandatory fields, uniqueness, and field-level validations * Using annotations like @assert.mandatory, @assert.unique, and @assert.target * End-to-end example using *Order* and *OrderItems* entities * Hands-on test using .http files and Postman 🔧 Whether you're building CAP applications for real projects or preparing for interviews, this session will give you strong practical knowledge of customizing CAPM behavior beyond generic CRUD. #SAPCAPM #SAPCAP #CustomLogic #InputValidation #SAPBTP #CAPMEventHandlers #FioriDevelopment #SAPCDS #SAPTraining #SAPFullStack #FioriElements #CAPMTutorial #SAPDevelopers #CAPMRealTime