This blog will help you to generate custom number range for particular field in C4C thru SAP Cloud Application Studio.
Generate number range for particular field in UI.
Ex: The number range should be start from (10 digits only) 8000000000 – 8999999999.
Step 1: Generate CODE LIST type as following:
Step 2: Generate a Reusable functional library as shown below:
Step 3: Write logic to generate a number in library function as shown below:
Step 4: Call that functional library in your code, I used it in event After-Modify.
Step 5: Output, generated the custom number automatically in QC screen when you create new record.