Function RegisterCallback

RegisterCallback(
    dropdownServerSideItemId: string,
    eventName: string,
    callback: OSGeneric,
): string
Function to register a provider callback
Parameters
- dropdownServerSideItemId: string
- eventName: string
- callback: OSGeneric
Returns string

Export
- Defined in OutSystems/OSUI/Patterns/DropdownServerSideItemAPI.ts:134