[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-25 UTC."],[],[],null,["# carrier_constant\n\n[Help me build a query](/google-ads/api/fields/v21/carrier_constant_query_builder)\n\nA carrier criterion that can be used in campaign targeting.\n\n|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| | carrier_constant.country_code ----------------------------- || |-------------------|----------------------------------------------------------------------------------------------------------| | Field description | Output only. The country code of the country where the carrier is located, for example, \"AR\", \"FR\", etc. | | Category | `ATTRIBUTE` | | Data Type | `STRING` | | Type URL | `N/A` | | Filterable | True | | Selectable | True | | Sortable | True | | Repeated | False | |\n| | carrier_constant.id ------------------- || |-------------------|-----------------------------------------------| | Field description | Output only. The ID of the carrier criterion. | | Category | `ATTRIBUTE` | | Data Type | `INT64` | | Type URL | `N/A` | | Filterable | True | | Selectable | True | | Sortable | True | | Repeated | False | |\n| | carrier_constant.name --------------------- || |-------------------|-------------------------------------------------------| | Field description | Output only. The full name of the carrier in English. | | Category | `ATTRIBUTE` | | Data Type | `STRING` | | Type URL | `N/A` | | Filterable | True | | Selectable | True | | Sortable | True | | Repeated | False | |\n| | carrier_constant.resource_name ------------------------------ || |-------------------|--------------------------------------------------------------------------------------------------------------------------------------------| | Field description | Output only. The resource name of the carrier criterion. Carrier criterion resource names have the form: `carrierConstants/{criterion_id}` | | Category | `ATTRIBUTE` | | Data Type | `RESOURCE_NAME` | | Type URL | `N/A` | | Filterable | True | | Selectable | True | | Sortable | False | | Repeated | False | |"]]