Returns Tiers and ProgramSettings in a single response.
If TiersProgramSettings doesn't exist, default TiersProgramSettings are created.
function getTiersProgram(): Promise<GetTiersProgramResponse>;import { tiers } from "@wix/loyalty";
async function getTiersProgram() {
const response = await tiers.getTiersProgram();
}This method doesn’t return any custom errors, but may return standard errors. Learn more about standard Wix errors.