Hi, assuming a simple blog post example where I am adding a new comment to a post, is it possible to set the "post.updatedAt" field within the createComment mutation? I can associate the comment with the post using "postId: $postId" so I thought something like "postUpdatedAt: $now" would be a natural way to do it, but it returns an "Unknown Argument" error for "postUpdatedAt". So would I have to do two separate mutations for this?

@pdrummond You should be able to create a updatePost mutation, and add the new comments to it in one mutation (nesting), like here: https://www.graph.cool/docs/reference/simple-api/nested-mutations-ubohch8quo/