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Hey, we have built a provider using the boilerplate repo but have hit a snag trying to understand how to Invoke functions. I understand how to generate and call the code, but what I don’t understand is how to build the rpc.InvokeResponse that I need to return.

here -&gt; <https://github.com/pulumi/pulumi-provider-boilerplate/blob/master/provider/pkg/provider/provider.go#L75>

Im calling listTeams that needs to return as follows:

```map[string]schema.FunctionSpec{
	"tsb:api:listTeams": {
		Outputs: &amp;schema.ObjectTypeSpec{
			Properties: map[string]schema.PropertySpec{
				"teams": {
					TypeSpec: schema.TypeSpec{
						Type: "array",
						Items: &amp;schema.TypeSpec{
							Type: "object",
							Ref:  "#/types/tsb:types:Team",
						},
					},
				},
			},
		},
	},
}```

currently I get
```Error: invocation of tsb:api:listTeams returned an error: proto: invalid type: *structpb.Struct```

how Im converting:
```		genericsPlz := make([]interface{}, 0)
		for _, resp := range responses {
			props, err := plugin.MarshalProperties(
				resource.NewPropertyMap(&amp;resp),
				plugin.MarshalOptions{KeepUnknowns: true, SkipNulls: true},
			)
			if err != nil {
				return nil, err
			}
			genericsPlz = append(genericsPlz, props)
		}
		list, convErr := structpb.NewList(genericsPlz)
		if convErr != nil {
			return nil, convErr
		}
		ret, err = structpb.NewStruct(map[string]interface{}{"teams": list})```