queryDataItems( )

import { externalDatabase } from "@wix/data/service-plugins";

externalDatabase.provideHandlers({
  queryDataItems: async (payload) => {
    const { request, metadata } = payload;
    // Use the `request` and `metadata` received from Wix and
    // apply custom logic.
    return {
      // Return your response exactly as documented to integrate with Wix.
      // Return value example:
      items: [
        {
          name: "New York",
          _id: "c285e77c-a86b-4361-a55f-c6b934d70187",
          population: 8300000.0,
          country: "US",
          isCapital: false,
        },
      ],
      pagingMetadata: {
        total: 1,
      },
    };
  },
});