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what is the purpose of Single Instance codeunit

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Posted on by Satish

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Hi all,

Can anyone explain me the purpose of single instance codeunit, and in which scenarios the single instance codeunit can be used? i read some blogs related to single instance codeunit but did not clearly understood about it completely. advance thanks for your explanations.

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Dynamics 365 Business Central

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Judy Microsoft Employee on at

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Hi, the purpose of a single instance codeunit is to ensure that only one instance of the codeunit is running at a time. It is typically used in scenarios where you want to prevent multiple instances of the codeunit from running simultaneously.

The reference MS document:

SingleInstance Property - Business Central | Microsoft Learn

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Nitin Verma 21,788 Moderator on at

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Hi,

The purpose of a single-instance codeunit is typically to manage critical processes or resources that should not be accessed concurrently by multiple instances.

You can read it from here : https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/properties/devenv-singleinstance-property

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Gerardo Rentería Ga... 25,547 Most Valuable Professional on at

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Hi

Here is some additional information with examples.

What Is A Single Instance Codeunit In Business Central? - Business Central Geek

Performance of event subscribers. SingleInstance or not? (keytogoodcode.com)

[Business Central] Single Instance Codeunits | Navigating365.com

Business Central - using global variables via a single-instance codeunit (youtube.com)

BR

GR

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