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I've prepared a managed package that includes Lightning components, and the main one belongs to the FlexiPage that is shown when you open the application. I've installed it to a different org, but when the tab is open I just see an error message. Like this

enter image description here

I found it that this is because My Domain feature was not enabled in this org so I wonder: is there any way for me to check whether this feature is enabled and run this check before the package is installed or when the application is first run?

1 Answer 1

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You could possibly use the following SOQL query to retrieve the Domain object details available in Salesforce.

[SELECT Id, CnameTarget, Domain, DomainType, OptionsExternalHttps FROM Domain]

This could be done on the onInstall() method of the System.InstallHandler interface provided within Apex to trigger activities on Managed Package installation and uninstallation.

global class PostInstallClass implements InstallHandler {

  global void onInstall(InstallContext context) {
    List<Domain> availableDomainList = [SELECT Id, CnameTarget, Domain, DomainType, OptionsExternalHttps FROM Domain]);

    //If Domains do not exist on the target org
    if(availableDomainList == null){

       //Throw Custom Exception to halt installation
    }
  }

}

Refer the Apex Developer Guide to understand more about how the InstallHandler Interface can be leveraged.

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  • Well, thanks for the InstallHandler. However it seems that this SOQL doesn't help, as it returned 0 record for both org with My Domain and another org without it
    – Demarsch
    Commented Jun 22, 2018 at 2:47
  • Have you tried querying the Organization object. Something like [Select Instancename from Organization].
    – Jigar Shah
    Commented Jun 22, 2018 at 3:08
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    I found this way to check though it seems a bit clumsy salesforce.stackexchange.com/questions/208660/…
    – Demarsch
    Commented Jun 22, 2018 at 3:40
  • That's a good hack to know!
    – Jigar Shah
    Commented Jun 22, 2018 at 7:36
  • Doesn't this object store more records than just My Domain?
    – Adrian Larson
    Commented Jun 22, 2018 at 13:34

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