X++ Programming Language Syllabus

This tutorial introduces beginners to the fundamentals and advanced concepts of the X++ programming language, helping them build a strong foundation step-by-step.

Dynamics AX is Microsoft’s ERP software designed to help businesses manage core operations such as finance, inventory, manufacturing, HR, and supply chain. It streamlines daily processes and supports better decision-making through integrated business intelligence tools.

Extension framework in D365 F&O

D365 Developers and Functional Role

Solution Architect (SA) Role

ALM Tools and Applications

D365 F&O Technical Interview Questions

X++ programming interview questions

Overlayering

Microsoft D365 F&O related certification name

In this section we will learn about Dynamics 365 Finance and Operations apps

In this section you will learn about Finance and operations apps

In this section we will learn about Basic UI and Navigation in D365

How to check version of Dynamics 365 Finance and Operations in Developer VM

Learn the full history of X++ and understand how Microsoft’s ERP programming language evolved across Axapta, Dynamics AX, and D365 F&O. This syllabus section covers major version changes, milestones, and the technical transformation of X++ over the years.

This table provides a clear timeline of Axapta’s evolution—from its first release in 1998 to today’s cloud-based Dynamics 365 Finance & Operations. Each version highlights key upgrades, feature enhancements, major rebranding events, and Microsoft’s shift to the One Version policy.

Get started with X++ by learning how to write your first “Hello World” program. This beginner-friendly introduction explains the basic syntax of X++, how the language works inside Dynamics 365 Finance & Operations, and the simple steps to execute your first output statement. Perfect for students and developers who are starting their X++ learning journey.

Language Enhancements in X++

Artificial Intelligence in Dynamics 365

Discover the most important points every developer should know about the X++ programming language. This summary covers key features, syntax behavior, data access capabilities, extensibility concepts, integration with .NET, and its role in Dynamics 365 Finance & Operations. Ideal for beginners, students, and professionals looking to quickly understand what makes X++ unique and powerful for enterprise development.

Implement Lifecycle Services (LCS) tools

Managing Applications in Dynamics 365 Finance and Operations

MorphX development environment

Application Explorer

Working with elements

Application Object Tree (AOT)

How to create a new model in D365 F&O

How to create a new project in D365 F&O

Development IDE in Dynamics 365 for Finance and Operations

Debug and troubleshoot X++ code

Debug Code using Find All References - D365 - Visual Studio

Access and Run D365 FO Objects using URL

Tools Addins for Visual Studio

Adding new or existing elements to the project

Import/export project

Debugging Large Loops in D365 F&O: A Simple Trick Every New Developer Should Know

Learn how Visual Studio is used as the primary development environment for X++ and Dynamics 365 Finance & Operations (D365 FO). This description explains key features such as project structure, AOT integration, extensions, debugging tools, metadata handling, and build/deploy processes. Perfect for beginners and professionals who want to understand how Visual Studio supports modern D365 FO development with powerful productivity and customization tools.

Error While Creating Projects in D365 F&O

Code Merge from Dev Brach to Test Branch

How to connect Dev VM to SAND Box Database in D365 F&O

This trace doesn't contain a session which can be analyzed.

Build Failed in test branch

Steps to Check in the Descriptor from Dev Environment to Dev Branch

Version control

Branching strategies

Development machines

Cloud development environment

Local development environment

Build and continuous updates

Error 1053 in Dynamics 365 F&O Batch Management Service

Explore the various data types in X++ programming language. Learn about primitive data types, composite types, and special types like containers and enumerations, with examples illustrating their usage in Dynamics 365 Finance & Operations (D365 F&O).

How to Convert Date and Time to utcDateTime in X++ (Microsoft Dynamics 365 and AX 2012)

Extended Data Types (EDTs)

Benefits of using EDTs

Base enums in D365 F&O

var vs anytype in x++

utcdatetime Data Type

Variable Declaration and Initialization in X++ Programming Language

Use const values

var in x++ Programming Language

anytype in x++ Programming Language

date in x++ Programming Language

how to take user input x++ programing language

scope of a variable x++ Programming language

Explore the operators in X++ programming language. Learn about arithmetic, comparison, logical, assignment, and other operators, with usage examples and practical applications in Dynamics 365 Finance & Operations (D365 F&O).

Assignment operators in X++ Programming Language

Arithmetic operators in X++ Programming Language

Relational operators in X++ Programming Language

Ternary operator in X++ Programming Language

Operator Precedence in X++ Programming Language

String Concatenation Operator

Case Sensitivity of the == Operator

while loop example in X++ Programming Language

do while loop example in X++ Programming Language

Loop control in X++ Language

Array in x++ programming language

Array of objects

Fixed length Array - X++ Programming Language - D365 F&O

strCmp Function

Removing Alphabetic Characters from a String

Lists in X++ Language

Merge Lists in X++ Language

RecordInsertList in D365 FO X++ Language

Set in D365 F&O - X++ code

Set Operations in D365 F&O - X++ code

Best Practice in map in D365 F&O - X++

Map in D365 F&O - All Methods

Create() and Pack() Method in Map in D365 F&O - X++ Code

How to Use Map pack() and create() with Objects in X++

Map in D365 F AND O - X plus plus Code

Access Table Record using Map in D365 F&O - X++ Code

exist() method - D365 F&O - X++ Code

Edit Method - D365 F&O - X++ Code

find method - D365 F&O - X++ Code

find method part 2 - D365 F&O - X++ Code

Implement Global Functions in X++ (Easy Guide for Beginners)

Use X++ runtime functions for common tasks

Call .NET libraries by using X++ code

Create and Use Methods

D365 F&O Menu Item

Display menu item - D365 F&O

Constructor in x++

IS keyword and AS keyword

Access Modifier

Static and vs Dynamic method: What is the difference between a static and a dynamic method?

Hierarchical Inheritance in X++ language

Multilevel Inheritance in X++ Programming Language - D365 Finance and Operation

Accessor Keywords in X++ Programming Language - D365

Finalize method in X++ Programming Language

Inheritance - Method Overridden - X++ Code

Inheritance - Constructor Overridden - X++ Code

Interfaces in D365 F&O - X++ Code

Abstract Class in D365 F&O - X++ Code

Inheritance in D365 F&O - X++ Code

Value based comparison in X++

Export CSV File - D365 F and O - X++ Code

Import CSV File - D365 F and O - X++ Code

How to get messages from Infolog through x++ in Dynamics 365 FO

Errors and Exceptions in X++

Numeric Exception in D365 - X++ Code

Posting Exception has been thrown by the target of an invocation.

Exceptions in X++ Example

System.DivideByZeroException: 'Attempted to divide by zero. how to catch this error in x++ d365 f&o

Released quantity cannot be negative for item [id], lot [id].

How to create a Table in D365 F&O

Table Groups in D365 F&O

Table Properties in D365 F&O

TableType Property - Tables in D365

Method calling sequence of table in D365 F&O

Types of Table Cardinality in D365 F and O

Access the data of a table

Indexes in Dynamics 365 Finance and Operations (D365FO)

Allow Row Version Change Tracking property of the table

Table Delete Action in D365 F&O

Cascade Delete Action in Table D365 F and O

Restricted Delete Action in Table D365 F and O

Cascade + Restricted Delete Action in Table D365 F and O

Display method in D365 F&O

Keep the code in display methods to a minimum

Caching Display Methods

How to Caching Display Methods

How to Caching Display Methods - New Way Of Caching

Table Relations in D365

relationship type NotSpecified Association Composition Link Specialization Aggregation

Normal Table Relations in D365

Foreign Key Relationship in D365 F&O

Types of Table Cardinality in D365 F and O

Field Fixed Table Relations in D365

Related Field Fixed - Table Relation - D365 F&O

Data Management Concepts

What is Data entities?

Use of Data Entities

Data Entity Example

How to Create Data Entities?

How to Create Data Entity - Using Addins or wizard

Categories for Data Entities in D365

Access Data entity through URL X++ Code

Learn how to add a data entity in Dynamics 365 Finance and Operations (F&O) with this step-by-step tutorial! In this video, we dive into troubleshooting missing data entities like "customer V3" in the data entity section. Discover how to use the Application Object Tree (AOT) to find staging table names, set target entities, and enable import/export functionality. Perfect for IT professionals, business analysts, and Dynamics 365 users looking to streamline data management.

What is a Virtual Field in a Data Entity?

Virtual Field (Is Computed Field = Yes) in a Data Entity

Data Entity methods in D365 F&O.

validateWrite - Data Entity methods in D365 F&O.

postGetStagingData - Data Entity methods in D365 F&O.

exportLogfile - Data Entity methods in D365 F&O.

Event Handler for Data Entity in D365 F&O

Data Entity All methods for Override in D365 F&O

updateEntityDataSource - Data Entity methods in D365 F&O.

insertEntityDataSource - Data Entity methods in D365 F&O.

How to export the error message into excel from 'View staging data form' using a helper class

How to export the data from entity

InventTable Table Insights for Dynamics 365 Finance & Operations

InventDim Table Insights for Dynamics 365 Finance & Operations

InventTrans Table Insights for Dynamics 365 Finance & Operations

InventSum Table Insights for Dynamics 365 Finance & Operations

InventJournalTable Table Insights for Dynamics 365 Finance & Operations

InventJournal Table Insights for Dynamics 365 Finance & Operations The InventJournalTrans table contains information about items and represents a line in an inventory journal. Each record has information related to a specific item and is related to a record in the InventJournal Table table, which is the journal header.

InventCountlour Table Insights for Dynamics 365 Finance & Operations

SalesTable in Dynamics 365 for Finance and Operations (D365 F&O)

MarkupTrans Table in Dynamics 365 for Finance and Operations (D365 F&O)

SalesLine in Dynamics 365 for Finance and Operations (D365 F&O)

Purchase Order (PO) Flow in D365FO with Table Links

Sales Order (SO) Flow in D365FO with Table Links

DirPartyTable in D365FO

Understanding the EcoResProduct Table in Dynamics 365 Finance & Operations

DMFDefinitionGroupExecution Table in Dynamics 365 Finance & Operations

Error While Adding Task role to job role

Why is the Cloud Different? (In Context of Microsoft Dynamics 365)

Security in D365 F&O

Joins in D365 F and O

Join or Inner Join in D365 F and O - X++ Code

Outer Join in D365 F&O - X++ Code

Exists Join in D365 F and O - X++ Code

Not Exists Join in D365 F and O - X++ Code

Data Management Concepts

Prepare data for migration to finance and operations apps

Validating data output D365 F&O - Step by Step Data Migration Process

How to add Data Entity to Enlity List Page

Export Data - Data management Worksspace - D365 F&O

Import Data - Data management Worksspace - D365 F&O

Cutover Plans in Data Migration – A Complete Guide D365 F&O

Event handlers Examples

Event Handler for Table

Event Handler for Form

Event handler for Form Datasource

Event handler for Form Data Field

Event Handler for Class

Table Extension Event in d365 F&O

Table Extensions in D365 F&O

Learn the essential techniques for data selection and manipulation in X++ within Dynamics 365 Finance & Operations. This comprehensive guide covers methods, best practices, and examples to enhance your development skills in D365 F&O.

Select statement in X++

Crosscompany Keyword in select statement in D365 F&O - X++ Code

Insert Data using X++

Learn how to enhance bulk data insert operations in Dynamics 365 Finance & Operations using the RecordInsertList class in X++. Discover best practices for improving performance and efficiency in your D365 FO environment.

insert_recordset - Enhancing insert

update method in D365 F and O

doUpdate method in D365 F and O

update_recordset statement D365 F and O

Delete data in X++

Learn how to create and optimize custom scripts in X++ for Dynamics 365 Finance & Operations (D365 F&O). Explore best practices, programming techniques, and advanced tips to enhance your D365 F&O development skills.

Typically, you use the following classes to modify or create queries by code: Query QueryRun QueryBuildDataSource QueryBuildRange

How to Create queries in D365 F&O

Query classe example in D365 F&O

Query in D365 F and O - X++ Code

How to Create query extension

Understanding Unique Identifiers and SQL Queries in D365

QueryBuildDataSource Class

QueryBuildRange Class

SQL Query Order in SQL Server: Writing Order vs Execution Order

Query::insert_recordset in D365 FO

Views in D365 F&O - X++ Code

Controller

Contract

Service

UIBuilder

Form in D365 finance and operations

D365 Forms

Form methods in D365 F&O - X++ Code

Form Datasource Methods

form data source methods in D365 F&O - X++ Code

Form Method Calling Sequence

Dialogue form through X++

Apply a Form Pattern

Set as Startup Object - Test form functionality

Single Row Select Lookup Ctrl in D365 F&O

Multi Select Lookup Ctrl in D365 F&O

Records Pop with Color Highlighting

D365 F&O System Table Information

Developing the Balance Sheet Reconciliation Report in Dynamics 365 Finance & Operations

How to Create SSRS Report - in D365 F&O

Unable to find the report design

Query Based SSRS Report in D365 F&O

What is SrsReportDataProviderPreProcess?

Report Data Provider Based SSRS Report in D365 F&O

SrsReportDataProviderBase – Explained

Create and modify reports by using Excel

SrsReportDataProviderPreProcessTempDB – Explained

Power BI Reports

Create a Power BI report with Finance and Operations apps data

SrsReportDataProviderPreProcessInterface – Explained

The purpose of this runnable job is to teach how to dynamically apply filters to a query in X++ in a safe and reusable way, using SysQuery::findOrCreateRange instead of addRange().”

SQL Server Reporting Services (SSRS)

Report Data Provider Based SSRS Report in D365 F&O - X++ Code

Deploy SSRS Reports using PowerShell in D365 F&O

Converting Numbers to Words in X++: A Step-by-Step Guide

Extension capabilities

Development planning

Development planning

Extension framework in D365 F&O

Extension of a Class method - Chain of command- D365 F&O - X++ Code

Extension of a form- Chain of command- D365 F&O - X++ Code

COC for Form Datasource, Extension of a Form Datasource - Chain of command- D365 F&O - X++ Code

Extension of a form method - Chain of command - D365 F&O - X++ Code

Extension of a form data source field method - Chain of command- D365 F&O - X++ Code

Extension of a form data source method - Chain of command- D365 F&O - X++ Code

Extension of a form control method - Chain of command- D365 F&O - X++ Code

COC for Data Entity

Chain Of Command In D365

COC for Table

COC for Class

SysOperation framework

Learn how to create a simple batch job using the SysOperation framework in Dynamics 365 Finance and Operations. This guide covers the steps for setting up, configuring, and executing batch jobs effectively, ensuring optimal performance in your enterprise applications.

SysOperation framework - Assignment

SysOperationExecutionMode

Mastering SysOperationController in Dynamics 365 F&O – Complete Guide

Learning Guide: SysOperationServiceController in Dynamics 365 F&O (X++)

Mastering SysOperationServiceBase in Dynamics 365 F&O (X++)

SysOperationController vs SysOperationServiceController

Explore the fundamentals of batch jobs in Dynamics 365 Finance and Operations (D365 F&O). Learn how to schedule, manage, and optimize batch processing for efficient data handling and task automation, ensuring seamless operations within your organization.

RunBase framework

RunBase framework - Basic Requirement

RunBase vs SysOperation

showQuerySelectButton

showQueryValues

Understanding pack() and unpack() in RunBaseBatch [D365 F&O X++ Guide]

Controller

Contact class

Service class

Batch Parallelism & Multithreading in Dynamics 365 Finance & Operations

Individual Task Modeling in Dynamics 365 Finance & Operations

Batch Bundling in Dynamics 365 Finance & Operations

Top Picking Pattern in Dynamics 365 Finance & Operations

1. Main Controller

1. Main Batch job - Data contract class

1. Main Batch job - Service class

2. Task Batch job - controller class

2. Task Batch job - Service class

Controller Class

Contract Class

Service Class

Sub Task Controller Class

Sub Task Service Class

Sub Task Contract Class

CCBExportCreditMasterController

CCBExportCreditMasterContract

CCBExportCreditMasterService

CCBExportCreditMasterMultiThreadController

CCBExportCreditMasterMultiThreadContract

CCBExportCreditMasterMultiThreadService

CCBExportCreditMasterMultiThreadService

Controller Class

Service Class

Contract Class

Sub Task Service Class

What Are Integrations?

Understanding the Components of an Integration in Dynamics 365 F&O

Integration patterns

Authenticating a native client app - using C#

Consume External services

Creating a custom service

Batch APIs in Dynamics 365 Finance & Operations (D365 F&O)

OData in Dynamics 365 Finance & Operations

Synchronous and asynchronous integrations

Access Data Entity using Postman D365 F&O

Register an application with the Microsoft identity platform

Setup Postman To Call D365 F&O Services

How to send queue message in azure portal using x++ code

Understanding the Virtual Entities in Dynamics 365 F&O

Why Do Integrations Fail?

Microsoft Dataverse integrations

Ways to fix integration issues

Inbound Queue log form

Emailer class

DMF Integration with 3rd party Application and D365 F&O

Business event in D365 F&O

Business event Assignment:

Business event Assignment 2:

Introduction to Performance Optimization in D365 F&O

Identify and apply Table caching

Creating a Delegate method

Using event handler - Enhance Efficiency and Performance

Caching Display Methods

Writing efficient SQL statements

Calculating code execution time

Improving Development Efficiency and Performance

Learn how to enhance bulk data insert operations in Dynamics 365 Finance & Operations using the RecordInsertList class in X++. Discover best practices for improving performance and efficiency in your D365 FO environment.

insert_recordset - Enhancing insert

query::insert_recordset - Enhancing insert

Improving Development Efficiency and Performance - Using extensions

Performance Monitoring

Create or modify temporary tables to optimize data

D365 F&O Functional Tutorial

What is a Main Account?

Chart of Accounts in Dynamics 365 Finance & Operations (D365 F&O)

Legal entities

General ledger in D365 F&O

Fiscal Calendar in Dynamics 365 F&O

Number Sequences in Dynamics 365 F&O

Free Text Invoice (FTI) in Dynamics 365 Finance & Operations (D365 F&O)

Procure to pay - Purchasing workflow

Vendor OnHold

Item coverage in D365 F&O

Macros in D365 F&O

Using a macro in a SQL statement

x++ comment

Learn the best practices for software development with our comprehensive development guideline. Discover expert advice, techniques, and tips to improve code quality, efficiency, and maintainability.

Various Types of Documents in D365 F&O

IQA and EQA

Functional Design Document (FDD)

Technical Design Document (TDD)

Business Requirements Document (BRD)

Functional Requirements Document (FRD)

Development process

Solution Architect (SA) Role

Development planning

Development planning

Testing Tools

Unit Testing

Smoke Testing

Functional Testing

Regression Testing

User Acceptance Testing (UAT)

Performance Testing

Integration Testing

Load Testing

Stress Testing

Security Testing

Data Migration Testing

Automation Testing

Gold Copy

Virtual entities in finance and operations apps

Exam MB-920: Microsoft Dynamics 365 Fundamentals (ERP)

CustVendorBlocked (sys) [Application Suite]

How to create a customer using x++ code

How to merge Dir party

X++ code to auto submit purchase order to workflow in D365FO