---
title: "Linking Models"
description: "Instead of a single model with all of your variables and formulas, you can structure your work into separate, smaller models, and import variables between them."
source_url: https://support.lucanet.cloud/en/documentation/xp-a---extended-planning-and-analysis/working-with-models/linking-models
language: en
last_updated: 2023-08-16
---
# Linking Models

## Overview

Instead of a single model with all of your variables and formulas, you can structure your work into separate, smaller models, and import variables between them.

There are a few benefits to working with smaller, linked models:

- There willl be less scrolling around and **less potential for confusion** for you as you build out your models.
- It will be **easier** for your team to work with separate models. For example, your HR team can work on your _Headcount Plan_ without worrying about your _Revenue_ model.
- You can have **different permissions** for each model. For example you may want each department head to access the company's P&A model, without being able to see the underlying salary data for each employee (this will live in a separate Headcount model).
- Linked models can have a **different time-granularity**. For example, your _Contracts_ model could be of daily granularity, while your _P&A_ remains monthly.

{% info-box %}
Once you link models together, you can:

- Reference variables in linked models in your formulas, and you can import variables and visuals from one into another. For more information, see [Referencing Variables From Linked Models](https://support.lucanet.cloud/en/documentation/xp-a---extended-planning-and-analysis/modeling-your-data/create-edit-variables/referencing-variables-from-linked-models.md).
- Easily import charts from one model into another, just like you can import variables. For more information, see [Using Tables and Charts](https://support.lucanet.cloud/en/documentation/xp-a---extended-planning-and-analysis/viewing-and-visualizing-data/using-tables-charts.md).
{% /info-box %}

## Linking Models

When in a model, click the **+** in the overview, and link to an existing or a new model:

Linking a model

All **linked models** are displayed in the overview of a model on the left-hand side.

Linked models

{% warning-box %}
To be able to link models, they have to be in the same folder.
{% /warning-box %}