Function pact_mock_server_ffi::upon_receiving

#[no_mangle]
pub extern "C" fn upon_receiving(
    interaction: InteractionHandle, 
    description: *const c_char
) -> bool

Sets the description for the Interaction. Returns false if the interaction or Pact can’t be modified (i.e. the mock server for it has already started)

• description - The interaction description. It needs to be unique for each interaction.