# File Mapping details

You can add and update File mappings through [Settings](https://docs.struct.com/pim3/reference/settings) > [File mappings](https://docs.struct.com/pim3/reference/settings/file-mappings).

### Name

The display name for this file mapping.

### Type

The type of file mapping.

### Description

A description for the file mapping.

### Availability

The user groups who can use this file mapping. Leave empty if file mapping is available to all user groups.

### Use fallbacks

Determines whether if you want empty localized or segmented values to fallback.

### Direction

The direction for import/export.

### Fields mapping

The fields setup that define the file mapping.

### Enable custom template

Determines whether to use a custom template.

### Select file

An excel file to upload and use as template for exports.

### Worksheet number

The worksheet number where data should be inserted.

### Start row

The first row number where data should be inserted.