Sending both action_source and client_user_agent parameters for all of the events you’re sending through the Conversions API may help improve event matching and could also help improve ad delivery for any ad campaigns optimizing on the events you send through the Conversions API.

Use these parameters with the Conversions API. These parameters consist of all required event data parameters and any additional data parameters to use for ads attribution and/or ads delivery optimization.

Main Body Parameters

Customer Information Parameters

Server Event Parameters

Custom Data Parameters

See Also

See the Facebook Privacy and Data Use Guide to learn what data is sent when using Facebook pixel.