> ## Documentation Index > Fetch the complete documentation index at: https://docs.markifact.com/llms.txt > Use this file to discover all available pages before exploring further. # Update Campaign Bidding Strategy > Update the bidding strategy (bid scheme) of Microsoft Ads campaigns Update the bidding strategy (bid scheme) of Microsoft Ads campaigns. | | | | --------------------- | ------------------------------------------------ | | **App** | Microsoft Ads | | **Operation ID** | `microsoft_ads_update_campaign_bidding_strategy` | | **Type** | Action | | **Connection** | `microsoft_ads` (required) | | **Credits per run** | 1 | | **Agent / MCP tool** | Yes | | **Requires approval** | Yes (write operation) | ## Inputs | Field | Type | Required | Default | Description | | ------------------------- | ------------------------------------------------------------------------- | -------- | ------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `account` | object or array of object or MicrosoftAdsAccountItem or string or integer | Yes | - | Select the Microsoft Ads account that owns the campaigns to update. | | `update_type` | string or SelectableOption | Yes | - | Choose whether to update the bidding strategy of a single campaign or multiple campaigns at once. Options: 'single' or 'bulk'. | | `campaign_id` | string or SelectItem | No | - | The campaign ID whose bidding strategy to update. Required for single update. | | `bidding_strategy_type` | string or SelectableOption | No | - | Bidding strategy (bid scheme) to set, sent as the Microsoft technical value. 'EnhancedCpcBiddingScheme': manual bids auto-adjusted toward conversions. 'ManualCpcBiddingScheme': manual cost-per-click. 'ManualCpmBiddingScheme': manual cost-per-thousand-impressions. 'ManualCpvBiddingScheme': manual cost-per-view (video). 'MaxClicksBiddingScheme': maximize clicks within budget; optional max\_cpc cap. 'MaxConversionsBiddingScheme': maximize conversions; optional target\_cpa and max\_cpc. 'MaxConversionValueBiddingScheme': maximize conversion value; optional target\_roas and max\_cpc. 'TargetImpressionShareBiddingScheme': hit an impression share at a page position; needs target\_ad\_position and target\_impression\_share, optional max\_cpc. 'PercentCpcBiddingScheme': bid a percent of price (used by hotel/commission campaigns); uses max\_percent\_cpc. 'CommissionBiddingScheme': pay a commission percentage per conversion; uses commission\_rate. 'CostPerSaleBiddingScheme': pay per sale; uses target\_cost\_per\_sale. 'ManualCpaBiddingScheme': manual cost-per-acquisition; uses manual\_cpi. Required for single update. | | `max_cpc` | number or string | No | - | Maximum cost-per-click cap in account currency. Optional for MaxClicks, MaxConversions, MaxConversionValue, and TargetImpressionShare. | | `target_cpa` | number or string | No | - | Target cost-per-action in account currency. Used by MaxConversions. | | `target_roas` | number or string | No | - | Target return on ad spend as a multiplier (e.g. 3.5 = 350%). Used by MaxConversionValue. | | `target_ad_position` | string or SelectableOption | No | - | Where on the search results page to target, for TargetImpressionShare. 'FirstPage': anywhere on the first page. 'MainLine': the top block of ads on the first page. 'MainLine1': the very first ad on the first page. | | `target_impression_share` | number or string | No | - | Target impression share percentage from 1 to 100 (e.g. 65 = 65%). Used by TargetImpressionShare. | | `max_percent_cpc` | number or string | No | - | Maximum percent CPC (percentage of the product/booking price). Used by PercentCpc. | | `commission_rate` | number or string | No | - | Commission rate percentage paid per conversion. Used by Commission. | | `target_cost_per_sale` | number or string | No | - | Target cost per sale in account currency. Used by CostPerSale. | | `manual_cpi` | number or string | No | - | Manual cost-per-acquisition bid in account currency. Used by ManualCpa. | | `structured_data` | array (also accepts a comma-separated string) | No | - | Structured data for bulk update. Required columns: 'campaign\_id', 'bidding\_strategy\_type'. Optional columns by strategy: 'max\_cpc', 'target\_cpa', 'target\_roas', 'target\_ad\_position', 'target\_impression\_share', 'max\_percent\_cpc', 'commission\_rate', 'target\_cost\_per\_sale', 'manual\_cpi'. Required for bulk update. | ### MicrosoftAdsAccountItem | Field | Type | Required | Default | Description | | ------------ | ------ | -------- | ------- | --------------------------------------------------------------------------------------------------------------- | | `value` | string | Yes | - | | | `label` | string | Yes | - | | | `customerId` | string | No | - | The Microsoft Ads customer ID used for REST CustomerId headers. If omitted, it is resolved from the account ID. | ### SelectItem | Field | Type | Required | Default | Description | | ------- | ------ | -------- | ------- | ---------------------------------------------------------------------------------------------------- | | `value` | string | Yes | - | The value of the selectable item. | | `label` | string | Yes | - | The label of the selectable item, used for display purposes. If not provided, defaults to the value. | ### SelectableOption | Field | Type | Required | Default | Description | | ------- | ------ | -------- | ------- | ----------- | | `value` | string | Yes | - | | | `label` | string | Yes | - | | ## Output **Type**: `Dict` Returns Microsoft Ads campaign bidding strategy update results. **Fields**: `message`, `updated_count`, `results`