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Version: 1.4

Handling Telegram Events

Text Events

The most common events are text message events. To determine whether the event is a text message event, you may use the context.event.isText boolean value:

async function App(context) {
if (context.event.isText) {
// handling the text message event
}
}

You can get the text content using context.event.text and use it in the reply:

async function App(context) {
if (context.event.isText) {
await context.sendText(`received the text message: ${context.event.text}`);
}
}

Payload Events

Payload events can be triggered by keyboards. To determine whether the event is a payload event, you may use the context.event.isPayload boolean value:

async function App(context) {
if (context.event.isPayload) {
// handling the payload event
}
}

You can get the payload content using context.event.payload to use it in the reply:

async function App(context) {
if (context.event.isPayload) {
await context.sendText(`received the payload: ${context.event.payload}`);
}
}

Handling Events with Router

Bottender offers a bunch of helpers to route within your Telegram or multi-platform app. To learn more about how to use those Telegram particular routes with router, check out Telegram Routing.