---
title: Overview
description: "# Optional Parameters As stated in previous sections there are a number of different types of parameters that can be defined in the i2b2 Administration module. Depending where they are defined will determine how the i2b2 behaves. Here is a…"
url: "https://i2b2.org/docs/6-5-optional-parameters/"
updated: "2026-09-15"
category: i2b2 Installation Guide / Chapter 6. Initial Setup of i2b2 in Admin / 6.5 Optional Parameters
---

# Overview

# Optional Parameters

As stated in previous sections there are a number of different types of parameters that can be defined in the i2b2 Administration module. Depending where they are defined will determine how the i2b2 behaves. Here is a recap of the different types of parameters.

| Type of Parameter | Description |
| --- | --- |
| Hive Parameters | - Affects the entire ***hive***. - Is not specific to a cell, user or project. |
| Cell Parameters | - Specific to the ***cell*** in which it is defined. - Does not affect other cells in the hive. - Is not specific to a user or project. |
| User Parameters | - Specific to the ***user*** in which it is defined. - Does not affect other users. - Is not specific to any one project. |
| Project Parameters | - Specific to the ***project*** in which it is defined. - Does not affect other projects. - Will affect all users who have access to the project. |
| Project User Parameters   | - Specific to the user ***and*** the project in which it is defined.   - Does not affect other users within the project. - Does not affect other projects the user has access to. |

The sections that follow will contain information about additional parameters that can be entered into the i2b2 Administration Module.