PL-400 prep: Microsoft Power Platform Developer (Udemy.com)
Extend the Power Platform using code. For people who have already studied for the PL-200 exam. For PL-400
Created by: Phillip Burton
Last updated March 2026
What you will learn
- Extend the user experience, creating JavaScript code which runs when a model-driven app is opened, a button is clicked, and as part of a code component.
- Extend the platform, creating plug-ins, custom connectors and platform APIs
- Develop Integrations, publishing and consume Dataverse events, implementing data synchronization, and processing workloads
- Validate requirements and design technical architecture, implement Application Lifecycle Management, and implement error checking
- Download for free Visual Studio, Visual Studio Code, and more.
Course Description
This course is a follow-up course for you, if you have already studied for the PL-200 exams. This course covers the additional content required for the PL-400 certification exam, current as per the PL-400 exam update of 29 August 2025 and 19 March 2026.
Please note: This course is not affiliated with, endorsed by, or sponsored by Microsoft.
What do people like you say about this course?
Assia says: Very interesting content ! and like always, the explanation way is amazing !
Elijah says: Matches the quality of all of Phillip Burton's other lessons. So far I have passed several exams using his courses in-tandem with MS learn modules.
Ranjith says: Crystal clear explanation with standard english and quality practical, I wish I had this course earlier...
Anuli says: Awesome course, the explanations were easy to understand, thank you. Consider updating some parts of the course.
This course teaches the requirements for the Microsoft Certificate PL-400 "Power Platform Developer", and focuses on programming in JavaScript/TypeScript and C# to expand the Power Platform.
We'll start off by looking at extending the user experience. Using Visual Studio Code, we will create some JavaScript code that will run when our model-driven app is opened. We'll then create some command buttons, along code to run when the user clicks these. We will then concentrate on create code components, replacing existing parts of the model-driven app.
We'll then look at creating a plug-in. The code that we'll write in Visual Studio will be attached to messages created by Power Platform, allowing our code to run when Dataverse rows are created, updated or deleted. We'll also look at creating our own custom messages as well.
Next up is Custom Connectors. We will create an Azure Function, and find out when it can run. We will then integrate that Function into our Power Platform by creating a custom connector. We'll also register external endpoints, including in Azure, so that messages can be automatically sent to other apps, reducing the burden on the Power Platform.
We'll finish off by looking at creating a technical design, and any other requirements not covered in previous exams, such as advanced Power Automate flows and implementing Application Lifecycle Management (ALM).
No prior knowledge is required - we'll even see how to get a free Power Platform trial!
There are regular quizzes to help you remember the information, so you can be sure that you are learning.
Once you have completed this course, you will have a good knowledge of how to make extend Power Platform using JavaScript and C#. And with some practice, and knowledge gained when studying for the PL-200 exams, you could even go for the official Microsoft certification PL-400 - wouldn't that look good on your CV or resume? And if you are an American college student, you might even get college credit for passing that exam.
So, without any further ado, let's have a look at how you can use Udemy interface, and then we'll have a look at the objectives for the exam and therefore the syllabus for this course.
Instructor Details
- 4.7 Rating
2,247 Reviews
Phillip Burton
Hi. I'm Phillip, and I'm proud to Teach with Udemy as a Udemy Instructor Partner. I have been teaching on Udemy since 2015, and I have over 1,000,000 students and more than 60 video courses, including over a dozen Bestseller courses.
My courses include Microsoft Power BI and Fabric, Tableau, SQL Server, Power Platform (Power Apps, Power Automate, etc.), Azure, Microsoft Office, and more. The majority of my courses align with the requirements for official certifications from Microsoft, Oracle, and Tableau - so with a bit of practice, you could enter the exam or assessment and put it on your CV or resume.
I have been a Computing Consultant providing expert services in the development of computer systems and data analysis. I am one of 9 award winning Experts for Experts Exchange's 11th Annual Expert Awards. My interests are working with data, including Microsoft Power BI, Excel, Access, SQL Server, and the Power Platform.
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Reviews
By WAI Technologies Pvt. Ltd. on 1/21/2026
Great course, learned a ton. There is some information that's outdated/minorly incorrect since this course is older. But the instructor has done a great job in iteratively updating this course as the exam changes.
By Sourabh Dharmpurikar on 8/24/2025
Excellent foundational course for anyone needing to learn Power Apps customization. It provides the exact practical baseline required to confidently advance into PL-400 exam prep.
By Mike H on 6/9/2025
This is an excellent course for applied learning. I've completed over 20 courses on Udemy and it's apparent to me that Phillip is one of top instructors on this platform. He is engaging and clear, and answers questions in the Q&A very quickly. That is an unusual and welcome trait, as many instructors do not engage with their students. I work as an Applications Architect for a large org, and Phillip's courses have quickly become my go-to for learning Power Apps. I've already gained a Microsoft credential on one of his other courses and I'm confidently applying my new skills at the job. I highly recommend.
By David Green on 7/10/2024
Excellent course. I've used Phillip's courses to pass PL900, PL100 and PL200. Am currently about a quarter of the way through the course and have learned so much, and has given me the confidence to create my own client-side events and command buttons in Model-driven apps.
By Anonymized User on 7/5/2024
The person showing it is very good and easy to understand. My only thing to make it better would be some interactive exercises that (where possible) can be done within Udemy, e.g. writing the JavaScript.
By Elijah Calfin on 4/10/2024
Matches the quality of all of Phillip Burton's other lessons. So far I have passed several exams using his courses in-tandem with MS learn modules. Typically I will take his course, then use Microsoft's official practice assessments to identify areas to restudy with MS-learn. The content for you to succeed is all contained within this course, but I like to use several sources. One suggestion might be an exam-cram style section at the end for rapid fire review and solidification of previous content, but that would be truly above and beyond for the low price of the course.
By Alexander von Mentzer on 3/28/2024
I just passed the pl-400 exam. This course gives you again a good understanding of the topics, but without additional resources like measureup I would not have passed the exam. Moreover without practice it is not possible to get a high mark.
By Christopher Schuh on 10/19/2023
Did a great job on focusing on just the parts of the PL-400 exam that are not part of the PL-100 and PL-200. I was able to pass the exam with this course.
By Manny Khan on 10/4/2023
Hi Philip, thanks to your courses on PL-100, 200 and 900, I've become a Power Platform developer and work as a consultant for a large organization. I'm very happy that you decided to make a course on PL-400 as it will really help someone like me who wants to take their skills to the next level.
By TROY PHAN on 9/27/2023
Phillip did a greate job here! Eventhough the course only focusing on what doesn't include in PL100,200 but it still showcase an execllent example of each definition.
Quality Score
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Overall Score : 94 / 100












