code: func resourceVSphereResourcePoolApplyTags(d *schema.ResourceData, meta interface{}, rp *object.ResourcePool) error {
  	tagsClient, err := tagsClientIfDefined(d, meta)
  	if err != nil {
  		return err
  	}
  
  	// Apply any pending tags now.
  	if tagsClient == nil {
  		log.Printf("[DEBUG] %s: Tags unsupported on this connection, skipping", resourceVSphereComputeClusterIDString(d))
  		return nil
  	}
  
  	log.Printf("[DEBUG] %s: Applying any pending tags", resourceVSphereResourcePoolIDString(d))
  	return processTagDiff(tagsClient, d, rp)
  }
docs: // resourceVSphereResourcePoolApplyTags processes the tags step for both create
  // and update for vsphere_resource_pool.