How to add "collection" field to metadata for Solana NFTs with Visual Studio Code

Question

I'm trying to add the collection field (name and family) to my metadata using VSC. Not sure where to begin or how to do it. Any help appreciated. Thanks!

{
  "name": "Solflare X NFT",
  "symbol": "",
  "description": "Celebratory Solflare NFT for the Solflare X launch",
  "seller_fee_basis_points": 0,
  "image": "https://www.arweave.net/abcd5678?ext=png",
  "animation_url": "https://www.arweave.net/efgh1234?ext=mp4",
  "external_url": "https://solflare.com",
  "attributes": [
    { "trait_type": "web", "value": "yes" },
    { "trait_type": "mobile", "value": "yes" },
    { "trait_type": "extension", "value": "yes" }
  ],
  "collection": { "name": "Solflare X NFT", "family": "Solflare" },
  "properties": {
    "files": [
      {
        "uri": "https://www.arweave.net/abcd5678?ext=png",
        "type": "image/png"
      },
      {
        "uri": "https://watch.videodelivery.net/9876jkl",
        "type": "unknown",
        "cdn": true
      },
      { "uri": "https://www.arweave.net/efgh1234?ext=mp4", "type": "video/mp4" }
    ],
    "category": "video",
    "creators": [
      { "address": "SOLFLR15asd9d21325bsadythp547912501b", "share": 100 }
    ]
  }
}