Function pact_mock_server_ffi::with_message_pact_metadata

#[no_mangle]
pub extern "C" fn with_message_pact_metadata(
    pact: MessagePactHandle, 
    namespace: *const c_char, 
    name: *const c_char, 
    value: *const c_char
)

Sets the additional metadata on the Pact file. Common uses are to add the client library details such as the name and version

• pact - Handle to a Pact model
• namespace - the top level metadat key to set any key values on
• name - the key to set
• value - the value to set