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I'm certain this has been answered before but this Slack instance only retains 90 days of history, but what is the magic combination to retrieve a `[]string` from an output? Getting this error:

```cannot convert vpce.VpcEndpoint.NetworkInterfaceIds (variable of type pulumi.StringArrayOutput) to type pulumi.StringArray ```

You probably need an apply call <https://www.pulumi.com/docs/concepts/inputs-outputs/#apply>

Yeah I’ve tried several incarnations of ApplyT and pulumi.ToStringArray, etc but still run into a similar result without being able to convert the output into something usable. 

Basically whatever I try results in a similar message:

`cannot use vpce.VpcEndpoint.ToVpcEndpointOutput().SubnetIds().ApplyT((func(ids []string) []string literal)) (value of type "<http://github.com/pulumi/pulumi/sdk/v3/go/internal|github.com/pulumi/pulumi/sdk/v3/go/internal>".Output) as pulumi.StringArray value in struct literal compiler (IncompatibleAssign)`

What are you trying to pass this into that it expects a `StringArray`? Resource properties should be typed as `StringArrayInput`, if you have a `StringArrayOutput` there isn't any way to turn that into a plain `StringArray` except for _within_ the ApplyT call.

Thanks, <@U02J3T6A8LB>! I believe I have sorted out the issue this weekend and I’m using StringArrayInput. At least currently my LSP isn’t complaining. I’m building a bunch of component resources for internal use/self service. I’m going to instantiate a resource today and verify what I have implemented works as expected, but it sounds like what I landed on matches with your reply so that’s good. 