Volt
WebSocket

WebSocket:Send

Sends a message through the WebSocket connection.

Syntax

WebSocket:Send(message: string) -> ()

Parameters

ParameterTypeDescription
messagestringThe message to send

Returns

This method does not return a value.

Description

WebSocket:Send transmits a string message to the connected WebSocket server. For structured data, encode it as JSON before sending.

Example

local ws = WebSocket.connect("wss://example.com/socket")

-- Send a simple message
ws:Send("Hello, Server!")

JSON Communication

local HttpService = game:GetService("HttpService")
local ws = WebSocket.connect("wss://api.example.com/ws")

-- Send JSON data
local function sendJSON(data)
    ws:Send(HttpService:JSONEncode(data))
end

sendJSON({
    type = "subscribe",
    channel = "updates"
})

sendJSON({
    type = "message",
    content = "Hello!",
    timestamp = os.time()
})

Multiple Messages

local ws = WebSocket.connect("wss://echo.websocket.org")

ws.OnMessage:Connect(function(msg)
    print("Echo:", msg)
end)

-- Send multiple messages
ws:Send("First message")
ws:Send("Second message")
ws:Send("Third message")

Notes

  • Messages are strings; use JSON for structured data
  • Messages are sent asynchronously
  • Connection must be open to send

WebSocket.OnMessage

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SyntaxParametersReturnsDescriptionExampleJSON CommunicationMultiple MessagesNotesRelated