Represents a relationship between a campaign and a label.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v26/resources/campaign_label.proto)

| Fields ||
|---|---|
| ## `campaign` | `string` Immutable. The campaign to which the label is attached. |
| ## `label` | `string` Immutable. The label assigned to the campaign. |
| ## `resource_name` | `string` Immutable. Name of the resource. Campaign label resource names have the form: `customers/{customer_id}/campaignLabels/{campaign_id}~{label_id}` |