Update Experiment - Markifact

Update a native Meta A/B experiment or ad study using Meta’s update parameters, such as name, schedule, cells or objectives. Meta validates changes allowed in the current study state. Campaign/ad-set budgets and delivery status are separate.


App	Meta Ads
Operation ID	`meta_ads_update_experiment`
Type	Action
Connection	`meta_ads` (required)
Credits per run	1
Agent / MCP tool	Yes
Requires approval	Yes (write operation)

Inputs

Field	Type	Required	Default	Description
`experiment_id`	string or SelectItem	Yes	-	Meta ad study ID to update. Supply it here, not inside update_payload.
`update_payload`	object or string	Yes	-	Native Meta AdStudy update parameters as an object or JSON string, forwarded unchanged. Example: {“name”:“Work email A/B test”,“description”:“Compare instant-form variants”}. Supported parameters include name, description, start_time, end_time, cells, objectives, confidence_level, client_business, cooldown_start_time, observation_end_time, creative_test_config, type and viewers. Native timestamp values are Unix seconds. Meta validates which changes are allowed for the study’s current state. This does not update campaign/ad-set budgets or delivery status.
`dry_run`	boolean	No	`False`	Return the update payload without sending it to Meta. This previews the request; it does not validate it against Meta’s API.

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.

Output

Type: Dict Returns Meta’s ad study update response, or the experiment_id and payload preview when dry_run is true. Fields: id, experiment_id, payload, dry_run