ListRoleMembershipsCommand

import { QuickSightClient, ListRoleMembershipsCommand } from "@aws-sdk/client-quicksight"; // ES Modules import
// const { QuickSightClient, ListRoleMembershipsCommand } = require("@aws-sdk/client-quicksight"); // CommonJS import
const client = new QuickSightClient(config);
const input = { // ListRoleMembershipsRequest
  Role: "ADMIN" || "AUTHOR" || "READER" || "ADMIN_PRO" || "AUTHOR_PRO" || "READER_PRO", // required
  NextToken: "STRING_VALUE",
  MaxResults: Number("int"),
  AwsAccountId: "STRING_VALUE", // required
  Namespace: "STRING_VALUE", // required
};
const command = new ListRoleMembershipsCommand(input);
const response = await client.send(command);
// { // ListRoleMembershipsResponse
//   MembersList: [ // GroupsList
//     "STRING_VALUE",
//   ],
//   NextToken: "STRING_VALUE",
//   RequestId: "STRING_VALUE",
//   Status: Number("int"),
// };