Retrieves a transaction resource by its external ID. Can include reference fields to resolve and filter by field values.
If using a platform scoped JWT, you can pass in a header to impersonate a specific tenant to impersonate the request as.
The external ID of the transaction resource to retrieve
Comma-separated list of reference ($ref) fields to include in the response. (Supports nested references with dot notation)
How to return reference fields: object = { type, id } (default), id = plain id or array of ids. "id" is recommended and will become the default in a future version.
object, id