Get policy tag

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Retrieve existing policy tag.

Code sample


Before trying this sample, follow the Go setup instructions in the Data Catalog quickstart using client libraries. For more information, see the Data Catalog Go API reference documentation.

import (

	datacatalog ""
	datacatalogpb ""

// getPolicyTag prints information about a given policy tag.
func getPolicyTag(w io.Writer, policyTagID string) error {
	// policyTagID := "projects/myproject/locations/us/taxonomies/1234/policyTags/5678"
	ctx := context.Background()
	policyClient, err := datacatalog.NewPolicyTagManagerClient(ctx)
	if err != nil {
		return fmt.Errorf("datacatalog.NewPolicyTagManagerClient: %v", err)
	defer policyClient.Close()

	req := &datacatalogpb.GetPolicyTagRequest{
		Name: policyTagID,
	resp, err := policyClient.GetPolicyTag(ctx, req)
	if err != nil {
		return fmt.Errorf("GetPolicyTag: %v", err)
	fmt.Fprintf(w, "PolicyTag %s has Display Name %s", resp.Name, resp.DisplayName)
	if resp.ParentPolicyTag != "" {
		fmt.Fprintf(w, " and is a child of Policy Tag %s", resp.ParentPolicyTag)
	if len(resp.ChildPolicyTags) > 0 {
		fmt.Fprintf(w, ", with %d child tags", len(resp.ChildPolicyTags))
	return nil

What's next

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