# using modifier

The using modifier allows AQL to report
on the data in a given file using attribute-defining items from a
different file. Only one using connective is allowed
in a TCL sentence.

## Syntax

```
command using dict file.reference {item.list} {selection.criteria} {sort.criteria}
{modifiers} {(options)}
```

## Example(s)

In this example, the attribute-defining
items name and phone are extracted from the dictionary of the suppliers
file, and applied to items in the customers file.

```
list customers using dict suppliers name phone
```

## See also

- [Modifiers](https://d3codex.com/access/modifiers/)

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Source: https://d3codex.com/access/using-modifier/ - part of the D3Codex reference.