Product Catalog External Event Sources

Updated: Jan 6, 2026

Reading

external event sources

Example

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GET /v25.0/{product-catalog-id}/external_event_sources HTTP/1.1  
Host: graph.facebook.com

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Parameters

This endpoint doesn't have any parameters.

Fields

Reading from this edge will return a JSON formatted result:

{
"data": [],
"summary": {}
}

data

A list of ExternalEventSource nodes.

summary

Aggregated information about the edge, such as counts. Specify the fields to fetch in the summary param (like summary=total_count).

Field	Description
total_count unsigned int32	Total number of event sources attached to the catalog

Error Codes

Error Code	Description
100	Invalid parameter

Creating

/{product_catalog_id}/external_event_sources

You can make a POST request to external_event_sources edge from the following paths:

• /{product_catalog_id}/external_event_sources

When posting to this edge, an ExternalEventSource will be created.

Parameters

Parameter	Description
external_event_sources A JSON-encoded rule	An array of event source ids

Return Type

This endpoint supports read-after-write and will read the node to which you POSTed.

Struct  {
success: bool,
}

Error Codes

Error Code	Description
100	Invalid parameter
200	Permissions error

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Updating

You can't perform this operation on this endpoint.

Deleting

You can't perform this operation on this endpoint.