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hey, the docs here use an `isTaggable` function, are you expected to make it yourself or is it provided in some library, its a bit unclear to me sorry <https://www.pulumi.com/blog/automatically-enforcing-aws-resource-tagging-policies/>

Currently it isn't provided by Pulumi, it's just in a blog post that Joe published a few months ago..

Ah, that is the blog post :slightly_smiling_face:

There is a (very subtle..) link to the report at the end of the section "Defining our Tags Enforcer Policy"

The link is: <https://github.com/joeduffy/aws-tags-example/tree/master/policy-pack-ts>

Though there is one gotcha in that list: it says _aws:directoryservice/directory:Directory_ is taggable. Technically it is, but it's not possible to see Directory tags through the console. That one stumped me for ages...

<@U01C0V8E2U9>,

This block calls the `registerAutoTags`
<https://github.com/joeduffy/aws-tags-example/blob/master/autotag-ts/index.ts#L3-L11>

This is imported from here:
<https://github.com/joeduffy/aws-tags-example/blob/4658142a68b19510bd1b1af8d15819e449302eea/autotag-ts/autotag.ts#L8>

and it imports `isTaggable` from here:
<https://github.com/joeduffy/aws-tags-example/blob/4658142a68b19510bd1b1af8d15819e449302eea/autotag-ts/autotag.ts#L2>

and here is the definition of it
<https://github.com/joeduffy/aws-tags-example/blob/4658142a68b19510bd1b1af8d15819e449302eea/autotag-ts/taggable.ts#L4>
The code for `isTaggable` function is here: <https://github.com/joeduffy/aws-tags-example/blob/master/autotag-ts/taggable.ts#L4>

The resources that are listed as `taggableResourceTypes` are here:
<https://github.com/joeduffy/aws-tags-example/blob/master/autotag-ts/taggable.ts#L9>