ServiceNow Developer Training

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Vishal is a technology enthusiast working as a Research Analyst at Edureka. He has expertise in domains like Big data, Machine Learning,Statistical Analysis and... Bookmark 1 / 2 Blog from ServiceNow Development ServiceNow is one of the most popular ITSM tools that brings in automation in various business processes. In this blog, I am going to discuss ServiceNow from a developers perspective. So let us not waste any time and get started with this ServiceNow Developer Training Blog.This blog will walk you through following points:What Is ServiceNowIntroduction To ScriptingServiceNow Developer Training DemoSo let us start with the first topic of discussion in this ServiceNow Developer Training blogWhat Is ServiceNow?ServiceNow is a software platform that supports IT service management and automates common business processes. It conta ins a number of modular applications that can vary by instance and user. ServiceNow is an integratedcloudsolution which combines major cloud and business services into a single system of record.ServiceNow whose journey began withIT Service Managementapplications providing Service Catalog Management, today supports both IT Service Management Processes and IT Enterprise such as HR Management, Security Management and PPM, etc.Following features make ServiceNow better than its competitors:Instance based implementationEase of customizationBetter Support and low maintenance costReal time analysis and reportingThis was a short introduction to ServiceNow. Next in this ServiceNow Developer Training blog we would understand what is scripting in ServiceNow:Introduction To ScriptingAscriptis nothing buta computer programming language with a series ofcommandsthat are capable of being executed without being compiled. In simple words scripting is configuring your system to perform certain tasks wh ich are triggered by specific events. You can classify scripting in two types: Server Side Scripting and Client Side ScriptingServer Side ScriptingIt is script that runs on a web server, which produces a response customized for each users request to the website. Server side scripts execute on the server or the databaseServer-side scripting is often used to provide a customized interface for the user. These scripts may assemble client characteristics for use in customizing the response, based on those characteristics, the users requirements, access rights, etc. Server-side scripting also enables the website owner to hide the source code that generates the interface.Client SideScriptingClient scripts run on the client (web browser). You can use client scripts to define custom behaviours that run when events occur, such as, when a form is loaded or submitted, or a cell value changes. Proper client-side processing depends on the form loading completely first. Making record updates prior to form load can produce unexpected results that bypass client-side processing. Client-sideGlideAPIs (Application Programming Interfaces) provide classes and methods that you can use in scripts to perform client-side tasks.Users with basic knowledge of JavaScript can define scripts to run in the client browser. Several types of client scripts are supported by ServiceNow. Let us take a look at those:onLoad()onChange()onSubmit()onCellEdit()onLoad()An onLoad() script runs when the form loads before the user ever sees it. The values on the form are straight from the database. This type of script lets you control how the form first appears to the user.onChange()An onChange script runs when the user changes value in any of the field. This script is handy for setting up a value of a field or displaying value based on the values user enters in the other fields.onSubmit()An onSubmit script runs when the user submits the form. This type of script is useful for validating the values the user entered.onCellEdit()An onCellEdit() script is very similar to onChange() script. However there is one major difference between the two. onCellEdit() script runs when the user changes value of the fields in list.ServiceNow Developer Training: DemoIn this ServiceNow Developer Training demo we start by creating a github account.Creating a Github account:Step 1: Go to the following link to create and a Github account. Following page will appear. SignIn, if you already have an account else follow the steps to SignUp.Step 2: Fill in the above mentioned details and click on Sign Up. Following window will appear, fill in the details required in fields shown belowStep 3: GitHub will request you following details, fill in those as well and click on continueStep 4: Once you have done this, a formal information page would appear, fill in that information and you are good to go.Step 5: Once you do this, your account is created. Next verify your account by clicking on the link that GitHub will se nd to your registered e-mail ID.Forking needit repository in ServiceNowStep 1: Next open your browser and Enter this https://github.com/ServiceNow/devtraining-needit-jakarta link. The link will redirect you to the following page. Now let us fork the devtraining needit jakarta repository with our ServiceNow instance by clicking on forkStep 2: After you have forked the repository. GitHub will give you an option to clone the repository. Click on the clone tab,Github will generate following link for you,copythe link. You may download the zip file or directly open it on the desktop.We have successfully forked the GitHub repository. Now Let us go ahead and create a client script using our repository.ServiceNow Developer Training : Creating A Client ScripStep 1: Go to Application Navigator in your ServiceNow Instance. Type Studio and open it.Step 2: Following tab will open. Click on Import Source Control to import the repository.Step 3: Following window will appear. Enter the link we cop ied while cloning the repository, also enter the GitHub credentials, we used to create the account. Click on importStep 4: Following page will appear. Click on the NeedIT repository.Step 5: In Studio, open theSource Controlmenu and click theCreate BranchoptionStep 6: Configure the Branch with following credentials:Branch Name:ClientScriptsModule.Create from Tag:LoadForClientScriptsModule.Click theCreate Branchbutton. Click theClose Dialogbutton.Step 7: Click theCreate Application Filebutton. Choose the new file type, in this case,Client Script.Configure the new file.Step 8: Go to studio, click on client scripts and finally on NeedITonChangeExample. Fill in the details and scroll down.Step 9: Following script will help you implement changes that are made to the form. Click on submit or update.Step10: Similarly update records NeedIT onChange Example andNeedIT onSubmit ExampleFirst lets do it for NeedIT onLoad Example.Finally we update the NeedIT onSubmit Example client script.We have successfully updated our three sample Client scripts. Now is the time to test them.Testing The Client ScriptsStep 1: In the main ServiceNow browser window (not Studio) use the Application Navigator to openNeedIt All. Select a record of your choice and open it. If your client script is active. It will display an alert as shown in the image below.Step 2: Press OK. Now make a change to the record. Change the priority to moderate and click on update. The onSubmit alert would pop out.Step3: Finally Let us test the onChange client script. To do that, make a change to the short description and update it. The alert would pop out as shown in the image below.This verifies that all are client scripts are working and thus we have successfully created client scripts and implemented them accordingly. This brings us to the end of this ServiceNow Developer Training Blog.Want to be an expert in ServiceNow??Become aServiceNow Expertstarting fromEdurekasServiceNow Admin Certification TrainingandServi ceNow Developer Certification Trainingwhich helps learners become expert in Administering the SN platform, Develop the Scripts for the Business processes, Workflows, Import Sets using real-time use cases on Banking, Sales, Finance domain.Got a question for us? Please mention it in the comments section and we will get back to you.Recommended videos for you Efficient Disaster Recovery with Cloud Computing Watch Now AWS vs Google Cloud Cloud Platform Compared Watch Now Architecting in Cloud-III Watch Now Architecting in Cloud-II Watch Now Cloud Computing with AWS II Watch Now Building Scalable Application on Cloud Watch Now Power The Hadoop Cluster With AWS Cloud Watch Now AWS Vs Azure Cloud Platform Comparison Watch Now Microsoft Azure Tutorial Step-By-Step Tutorial In Azure Watch Now AWS Tutorial A Complete Tutorial On Amazon Web Services Watch Now AWS Certifications All You Need To Know Watch Now What Is Cloud Computing? A Beginners Guide To Understanding Cloud Watch Now What Is AWS Getting Started With AWS Watch NowRecommended blogs for you Top 50 Azure Interview Questions You Must Prepare In 2020 Read Article Microservices Security How To Secure Your Microservice Infrastructure? 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Read Article How To Restore EC2 From Snapshot? Read Article AWS Lambda Tutorial: Your Guide To Amazon Serverless Computing Read Article Big Data In AWS Smart Solution For Big Data Read Article Comments 0 Comments Trending Courses in Cloud Computing Microsoft Certified Expert: Azure Solutions A ...6k Enrolled LearnersWeekendLive Class Reviews 5 (2250)