sdk-for-swift/docs/examples/project/create-web-platform.md

import Appwrite

let client = Client()
    .setEndpoint("https://<REGION>.cloud.appwrite.io/v1") // Your API Endpoint
    .setProject("<YOUR_PROJECT_ID>") // Your project ID
    .setKey("<YOUR_API_KEY>") // Your secret API key

let project = Project(client)

let platformWeb = try await project.createWebPlatform(
    platformId: "<PLATFORM_ID>",
    name: "<NAME>",
    hostname: "app.example.com"
)