---
title: Registering Work Order (WO) Formula
slug: hyper-en/registering-work-order-wo-formula
description: Learn how to register client formulas to determine the total cost of a contract service activity. Access the process through the main menu, fill in required fields, validate the formula, and save it after syntax validation. Simplify your cost calculations
createdAt: 2021-10-07T15:58:30.000Z
---

This functionality is intended to **register the client formulas** to configure "**how**" will be the calculation of the total cost value of the contract service activity.

## Procedure

1. Access the functionality through the main menu `Integrated Management > Contract Management > WO Formula`;
2. In the "**Formula Registration**" tab, it is necessary to complete the field necessary.           When informing the formula options, remember that the purpose of each variable available to describe the formula:
3. After describing the formula, click on "**View Formula**". This button represents the validation of the formula and where the calculation process is presented, transforming the formula text into a mathematical expression and returning its calculated result, after clicking on "**Simulate**". Remember that it is possible to use the "**\{}**" keys to delimit a text that you wish to include in the formula, where it will not influence the calculation of the value of the activity;
4. Click on "**Save**". But, before saving the formula, the system should validate the syntax and only allow the saving if is correct.