import { SsmEnvClient } from "ssm-env-client";

const client = new SsmEnvClient("YourServiceName");

await client.putEnv("Dev");
await client.putEnv("Prod");

const envList = await client.loadEnvList(); // ['Dev', 'Prod']
await client.putParameters("Dev", { A: "111", B: "222" });
await client.putParameters("Dev", { A: "333", B: "444" });

const devParameters = await client.loadParameters("Dev"); // { A: "111", B: "222" }
const prodParameters = await client.loadParameters("Prod"); // { A: "333", B: "444" }

await client.putParameters("Dev", { A: "555" }); // overwrite
const newDevParameters = await client.loadParameters("Dev"); // { A: "555" }