Messtone LLC Manages Devices Enables OAuth Token using Client Credentials~To install from the command line: npm install @ups-api/client-credentials-sdk Definition export class ClientCredentialService const {ClientCredentialService}=require(‘@ups-api/client-credentials-sdk’);const ClientCredentialService=new ClientCredentialService(fetch); //Get clientID and Secret from secure credential vault. let clientId=”MESSTONE_CLIENT_ID”;let clientSecret=”MESSTONE_CLIENT_SECRET”;//Create variable for optional headers const messtoneHeader={“headerkey”:”headerValue”};//Create varable for optional post body const messtoneBody={“bodyKey”:”bodyValue”};Creating A Token const clientCredentialService=new ClientCredentialService(fetch); clientCredentialService.getAccessToken(clientId,clientSecret,null,customClaims).then(function(response){res.render(response?.response?.accessToken);});Definition export class Token Info public class UpsOauthResponse export class ErrorResponse export class ErrorModel