# Class BSV::Overlay::BroadcastFacilitator <a id="class-BSV-Overlay-BroadcastFacilitator"></a>

**Inherits:** `Object`

Abstract base class defining the interface for broadcast facilitators.

A facilitator is responsible for sending a TaggedBEEF to a given Overlay
Services host URL and returning a parsed STEAK response. Concrete subclasses
implement the transport mechanism (e.g. HTTPS).

Implementors must override <code>#send_beef</code>.

## Public Instance Methods
### `send_beef(url, tagged_beef)` <a id="method-i-send_beef"></a> <a id="send_beef-instance_method"></a>
Send a tagged BEEF to the given overlay host.
- **@param** `url` [String] base URL of the Overlay Services host
- **@param** `tagged_beef` [TaggedBEEF] the tagged BEEF to send
- **@raise** [NotImplementedError] always — subclasses must implement this
- **@return** [Hash{String => AdmittanceInstructions}, nil] STEAK response, or nil on failure