Function offerGroup

offerGroup(
to: string | Wid | (string | Wid)[],
options?: CallOfferOptions,
): Promise<CallModel | undefined>
Start a group call, with all members of a group or with a list of contacts

When the group has a single other member, WhatsApp places a 1:1 call and the returned call has isGroup false.
Parameters
- to: string | Wid | (string | Wid)[]
- options: CallOfferOptions = {}
Returns Promise<CallModel | undefined>
Example
```
// Call all members of a group
const call = await WPP.call.offerGroup('[group-id]@g.us');

// Call a list of contacts
const call = await WPP.call.offerGroup(
  ['[number1]@c.us', '[number2]@c.us'],
  { isVideo: true }
);
```
- Defined in src/call/functions/offerGroup.ts:55