GetResourcePolicyCommand

import { NetworkManagerClient, GetResourcePolicyCommand } from "@aws-sdk/client-networkmanager"; // ES Modules import
// const { NetworkManagerClient, GetResourcePolicyCommand } = require("@aws-sdk/client-networkmanager"); // CommonJS import
const client = new NetworkManagerClient(config);
const input = { // GetResourcePolicyRequest
  ResourceArn: "STRING_VALUE", // required
};
const command = new GetResourcePolicyCommand(input);
const response = await client.send(command);
// { // GetResourcePolicyResponse
//   PolicyDocument: "STRING_VALUE",
// };