import { BusinessPartner, BusinessPartnerAddress } 
from '@sap/cloud-sdk-vdm-business-partner-service';

import { Destination, GetAllRequestBuilder } 
from '@sap-cloud-sdk/core';

// Create destination
let dest: Destination = {
    url: "https://sandbox.api.sap.com/s4hanacloud"
};

// Create request
let req: GetAllRequestBuilder<BusinessPartner> =
BusinessPartner.requestBuilder()
    .getAll()
    .select(
        BusinessPartner.BUSINESS_PARTNER,
        BusinessPartner.FIRST_NAME,
        BusinessPartner.LAST_NAME,
        BusinessPartner.TO_BUSINESS_PARTNER_ADDRESS
            .select(
                BusinessPartnerAddress.ADDRESS_ID,
                BusinessPartnerAddress.COUNTRY,
                BusinessPartnerAddress.CITY_NAME
            )
    )
    .filter(
        BusinessPartner.LAST_NAME.equals("Smith")
    ).addCustomHeaders({
        APIKey: '>>>YOUR API KEY<<<'
    });

    // execute request
    req.execute(dest)
        .then(
            // success
            (result: BusinessPartner[]) => {
                console.log(JSON.stringify(result, null, '\t'));
            },
            // error
            (error: any) => {
                console.log("Error: " + error.message);
            }
        );