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`CustomResource` is designed for leaf node resources implemented in an external resource provider.  Is that what you want? If you want to create resources inside your program, you can use `ComponentResource`.

When you define a `CustomResource`, you must put a binary `pulumi-provider-&lt;name&gt;`  on your PATH that speaks the Pulumi provider gRPC protocol.  It will be loaded to handle CRUD operations against the resource you have defined.

More about this proces abstractly here: <https://www.pulumi.com/docs/intro/concepts/how-pulumi-works/>

Can you share more about what you are trying to do?

(aside - as noted in <https://pulumi-community.slack.com/archives/CCWP5TJ5U/p1573603543035700> - which I also just pinned to the channel - there are some very major overhauls of the Go provider happening right now to get ready for GA, so you may see things in flux over the next few weeks)

I'm trying to create a library like pulumi/awsx.
Finally It's works, but I changed this line
`ctx.RegisterResource("vendoring:x:customresource", name, true, inputs, opts)`
by this one
`ctx.RegisterResource("vendoring:x:customresource", name, false, inputs, opts)`