DescribeExportCommand

import { DynamoDBClient, DescribeExportCommand } from "@aws-sdk/client-dynamodb"; // ES Modules import
// const { DynamoDBClient, DescribeExportCommand } = require("@aws-sdk/client-dynamodb"); // CommonJS import
const client = new DynamoDBClient(config);
const input = { // DescribeExportInput
  ExportArn: "STRING_VALUE", // required
};
const command = new DescribeExportCommand(input);
const response = await client.send(command);
// { // DescribeExportOutput
//   ExportDescription: { // ExportDescription
//     ExportArn: "STRING_VALUE",
//     ExportStatus: "IN_PROGRESS" || "COMPLETED" || "FAILED",
//     StartTime: new Date("TIMESTAMP"),
//     EndTime: new Date("TIMESTAMP"),
//     ExportManifest: "STRING_VALUE",
//     TableArn: "STRING_VALUE",
//     TableId: "STRING_VALUE",
//     ExportTime: new Date("TIMESTAMP"),
//     ClientToken: "STRING_VALUE",
//     S3Bucket: "STRING_VALUE",
//     S3BucketOwner: "STRING_VALUE",
//     S3Prefix: "STRING_VALUE",
//     S3SseAlgorithm: "AES256" || "KMS",
//     S3SseKmsKeyId: "STRING_VALUE",
//     FailureCode: "STRING_VALUE",
//     FailureMessage: "STRING_VALUE",
//     ExportFormat: "DYNAMODB_JSON" || "ION",
//     BilledSizeBytes: Number("long"),
//     ItemCount: Number("long"),
//     ExportType: "FULL_EXPORT" || "INCREMENTAL_EXPORT",
//     IncrementalExportSpecification: { // IncrementalExportSpecification
//       ExportFromTime: new Date("TIMESTAMP"),
//       ExportToTime: new Date("TIMESTAMP"),
//       ExportViewType: "NEW_IMAGE" || "NEW_AND_OLD_IMAGES",
//     },
//   },
// };