---
title: Registering Work Order (WO) Formula
slug: citsmart-8-en/registering-work-order-wo-formula
description: Learn how to register client formulas to customize the calculation of the total cost value of contract service activity. Follow our step-by-step procedure, including accessing the functionality through the main menu, completing necessary fields with formu
docTags: 
createdAt: 2022-01-21T15:56:34.000Z
---

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.