Get an attachment from current Flow

We are struggling with the following. We have several Business (scripteds UFT) Process Components. We created several Flows in HP ALM containing Business Components. In an HP ALM Flow you also have the option to add an attachment tot that flow in the Attachment tab. 

How can we extract an attachment of a flow via HP ALM OTA code in UFT? For a Business Process Test we can get this with for example the CurrentTest attachment factory. But we can not find any attachment factory related to a Flow. Is there any way to download/extract a flow attachment with HP ALM OTA code in UFT?

Any help on this highly appreciated.

 

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