---
title: "Step 1: Creating Event Parameters"
slug: "optimizely-step-1-creating-event-parameters"
updated: 2024-03-22T08:39:07Z
published: 2024-03-22T08:39:07Z
canonical: "docs.mapp.com/optimizely-step-1-creating-event-parameters"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mapp.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Step 1: Creating Event Parameters

Data is entered using three event parameter. First, you have to create three event parameters in Q3:

Do following steps:

1. Log in to your Q3 account and go to *Configuration > Custom Parameters.*
2. Open the "Event Parameter" tab. A list of all existing event parameters appears.
3. Click [Create new custom parameter].
4. Next, create 3 Parameters:
  1. Optimizly Variant
  2. Optimizly Campaigns
  3. Optimizly Audiences ![](https://cdn.document360.io/554b9b98-6720-4d8b-9919-c7b203d72648/Images/Documentation/916b83e3-af41-4d80-b009-77028615afcb.png)

| Parameter | Description |
| --- | --- |
| Title | Enter the title of your choice. E.g. "Optimizly Variant" |
| Description | Optional. Enter a short description. |
| Preconfigured | Select from the dropdown menu: - Own configuration |
| Parameter ID | Select from the dropdown menu the required ID, for example, "7". |
| Data Type | Select from the dropdown menu: - Text |
| Amount parameter value | Select from the dropdown menu: - Single value |
5. Click [Save].