NAV Extensions - NAV 2018+ and Dynamics 365 Business Central - How to make an extension

Dynamics 365 Business Central uses Extensions V2 (All previous versions must be upgraded to v2 to work on Business central)

Events

https://community.dynamics.com/nav/b/navision360/archive/2017/11/13/introduction-to-events-in-microsoft-dynamics-nav

Extensions

http://thinkaboutit.be/2018/11/how-do-i-develop-an-extension-in-business-central-on-premises/

https://community.dynamics.com/nav/b/katsonsnavblog/archive/2017/07/19/how-to-do-al-vs-code-for-beginners-start-of-video-series

• Download Business Central On-Premise from Partnersource
• https://mbs.microsoft.com/partnersource/northamerica/support/support-news/bconpremdownload
• Install Business Central On-Premise
• Import developer license
• Import-NAVServerLicense BC160 -LicenseData ([Byte[]]$(Get-Content -Path "fin.flf" -Encoding Byte))
• Enable Developer Service
• Business Central Administration>Development>Tick Enable Developer Service Endpoint
• Ensure windows user is setup as Super in Company
• Download and install Visual Studio Code
• https://code.visualstudio.com/
• Click Extensions (Last icon on the top left list, square icon)
• Search for AL
• Select AL Language>Install
• Restart VB Code
• View>Command Palette>AL:Go!
• Select Path to store solution
• Select Launch.json
• Change "name" from Your own server to server instance name ("BC130")
• Change "server" to true address path ("http://localhost:8080")
• Add "port" = 7049
• Authentication = "Windows"
• Enable download Symbols
• View>Command Palette> AL:Download Symbols
• Add TranlsationFile
• in app.json
• Change line "runtime": "2.3"
• to "runtime": "2.1"
• After this line,
• Add line
• ,"features": ["TranslationFile"]
• save
• Publish Extension to environment
• F5 or AL:Publish
• Resolve NetFx40_LegacySecurityPolicy error
• C:\Program Files\Microsoft Dynamics 365 Business Central\130\Service
• Edit Microsoft.Dynamics.Nav.Server.exe.config in notepad as administrator
• Find     <NetFx40_LegacySecurityPolicy enabled="true" />
• change to     <NetFx40_LegacySecurityPolicy enabled="false" />
• Restart nav service
• Web client opens with published extension
• If you try to publish again, you may get the error "cannot synchronize because a newer version is already synchronized"
• Run this in the admin shell to remove it completely even after uninstalling and unpublishing
• https://docs.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-unpublish-and-uninstall-extension-v2
• Sync-NAVApp -ServerInstance BC130  -Name 'Hello World' -Mode Clean

Sample working launch.json

{

"version": "1.0.0.1",

"configurations": [

{

"type": "al",

"request": "launch",

"name": "BC130",

"server": "http://mypc:8080",

"serverInstance": "BC130",

"port": 7049,

"authentication": "Windows",

"startupObjectId": 22,

"startupObjectType": "Page",

"breakOnError": true

}

]

}