# Creating the input structure for your Big Data Batch Job

Create a JSON structure based on a sample document to use as input for your map. For more information, see [Working with structures](https://help.qlik.com/talend/en-US/data-mapper-user-guide/8.0-R2024-04-and-earlier/working-with-structures "A structure contains a collection of elements that describe the contents of a type of document.").

## Before you begin

You have a JSON file to use as input. You can use the sample provided above.

## Procedure

1. Expand the Hierarchical Mapper node and right-click Structure, then click New > Structure.
2. In the wizard that opens, select Import a structure definition and click Next.
3. Select JSON Sample Document and click Next.
4. Select the file to use:
   * Select an existing resource in your workspace.
   * Import a local file.
   * Enter the URL to the file.
5. Click Next.
6. Select a folder and enter a name for your structure, then click Next.
7. Click Finish.

## Results

Your structure is created and opens in the editor. In the Document tab, you can see your sample data. The different elements are highlighted when you click them in the structure. ![](https://help.qlik.com/talend/en-US/data-mapper-user-guide/Resources/images/bd_job_input.png)