---
title: Registering Work Order (WO) Formula
slug: en/registering-work-order-wo-formula
description: Learn how to register client formulas for configuring the calculation of contract service activity costs with this comprehensive document. Access the functionality through the main menu and complete the necessary fields with formula options. Validate and 
docTags: 
createdAt: 2021-10-26T23:57:42.000Z
---

This functionality is intended to <font color="#3b9f0f">**register the client formulas**</font> 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
   &#x20;necessary.                                      When informing the formula options, remember that the purpose of
   &#x20;each variable available to describe the formula:
3. After describing the formula, click on "**View Formula**". This button represents
   &#x20;the validation of the formula and where the calculation process is
   &#x20;presented, transforming the formula text into a mathematical expression and
   &#x20;returning its calculated result, after clicking on "**Simulate**". Remember that
   &#x20;it is possible to use the "**\{}**" keys to delimit a text that you wish to
   &#x20;include in the formula, where it will not influence the calculation of the
   &#x20;value of the activity;
4. Click on "**Save**". But, before saving the formula, the system should validate
   &#x20;the syntax and only allow the saving if is correct.