Where to place data import file and why documents aren't appearing in Studio

Looking at the guide you're following, I can help clarify the confusion about file placement and why your documents aren't appearing in Studio.

Where to put your import script:

Your import script (dataCall.js) should NOT go in the schema folder. The schema folder is specifically for defining your content types. Instead, you should:

1. Create your import script in the root of your Sanity project or in a separate /scripts folder
2. Run it as a standalone Node.js script from your terminal, not as part of the schema

For example:

my-sanity-project/
├── schemas/
│   └── schema.js (your schema definitions only)
├── scripts/
│   └── dataCall.js (your import script)
└── sanity.config.js

Why documents aren't showing in Studio:

The most likely issue is that your document _type doesn't match your schema. When you create documents, the _type field must exactly match a document type name defined in your schema. For example:

// In your schema
{
  type: 'document',
  name: 'catBreed',  // This name matters!
  fields: [...]
}

// In your import script
{
  _id: 'imported-cat-1',
  _type: 'catBreed',  // Must match the schema name exactly
  // ... other fields
}

How to properly run the import:

1. Install the Sanity client in your project:

npm install @sanity/client node-fetch

2. Create a separate import script (e.g., scripts/import.js):

const sanityClient = require('@sanity/client')
const fetch = require('node-fetch')

const client = sanityClient({
  projectId: 'your-project-id',
  dataset: 'your-dataset',
  token: 'your-write-token',
  useCdn: false
})

// Your fetch and transform logic here
// Then use client.createOrReplace() to create documents

3. Run it from your terminal:

node scripts/import.js

Common gotchas:

• Make sure your token has write permissions (generate one at manage.sanity.io)
• Verify the _type in your documents matches your schema exactly (case-sensitive)
• Check that your schema is properly registered in sanity.config.js
• If documents exist in queries but not in Studio, restart your Studio (sanity dev)

The guide you're following shows the complete process - the key is that importing is a separate operation from defining schemas. You define the schema first, then run a standalone script to populate data that conforms to that schema.