You will likely want to use "labels" in your GCP perspectives for categorization.
Labels in GCP are the equivalent of "tags" for other cloud providers. GCP tags are intended to enable a user to configure network settings and are not intended to categorize your infrastructure.
Resolution
Below details the process to create a perspective using either tags or labels:
Building Perspective Groups using Labels:
In most cases, you will want to build Perspective groups using Labels. If you wish to build a Perspective to use Labels across the platform, follow the below instructions:
In Google, Label your resources. Instructions can be found here:
In CloudHealth, build your Perspective using Guided Search.
Choose an Asset Type = BigQuery Billing Line Items
Choose a Discovery Method = Categorize
Choose a Field to Categorize By = tag + term name
Building Perspective Groups using Tags: If you wish to build a Perspective to use Tags in your Asset reports or Policies, follow the below instructions for the Guided Search: