Google Ads / API Reference
gads_add_experiment_arm
Google Ads tool (extended/low-level coverage). For common tasks prefer the RECOMMENDED google_ads_* actions; use these only for advanced operations those don't cover. Add a new arm to an existing campaign experiment.
This is a write tool: it adds experiment arm in your Google Ads account. Claude asks you to confirm before it runs.
Ask Claude
You do not call this tool yourself. Ask for the outcome and the client picks the tool:
Add experiment arm in my Google Ads account for [experiment id], [name], [traffic split].
It takes 3 required and 3 optional parameters.
Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
experiment_id | string | Yes | Experiment Id |
name | string | Yes | Name |
traffic_split | number | Yes | Traffic Split |
is_control | boolean | No | Is Control |
campaign_ids | array | No | Campaign Ids |
customer_id | string | No | Customer Id |
Related Google Ads tools
gads_add_ad_group_age_rangegads_add_ad_group_carriergads_add_ad_group_gendergads_add_ad_group_income_rangegads_add_ad_group_keywordgads_add_ad_group_mobile_device
Before you can call it
This tool needs a connected Google Ads account. The Google Ads connect guide covers the OAuth flow and the permissions it asks for, and the quickstart gets a client talking to the server in about five minutes.
Workflows that use this
Rather than calling tools one at a time, these skills run a whole procedure against the same account: