Function sendPixKeyMessage

sendPixKeyMessage(
    chatId: any,
    params: {
        instructions?: string;
        key: string;
        keyType: "CNPJ" | "CPF" | "PHONE" | "EMAIL" | "EVP";
        name: string;
    },
    options?: SendMessageOptions & {
        experimentalNativeFlowBiz?: NativeFlowBizExperiment;
    },
): Promise<SendMessageReturn>
Send a Brazilian Pix key payment request without an amount.
Parameters
- chatId: any
- params: {
      instructions?: string;
      key: string;
      keyType: "CNPJ" | "CPF" | "PHONE" | "EMAIL" | "EVP";
      name: string;
  }
- Optionaloptions: SendMessageOptions & { experimentalNativeFlowBiz?: NativeFlowBizExperiment }
  - OptionalexperimentalNativeFlowBiz?: NativeFlowBizExperiment
    
    Experimental <biz> node variations, to test what WhatsApp accepts. Not validated; leave undefined in production.
Returns Promise<SendMessageReturn>
Example
```
// Send PIX Key Message (Brazil Pix Key)
WPP.chat.sendPixKeyMessage('[number]@c.us', {
    keyType: 'CNPJ',
    name: 'WPPCONNECT-TEAM',
    key: '33460516000178',
    instructions: 'Pay text for instructions here',
});
```
- Defined in src/chat/functions/sendPixKeyMessage.ts:59