Examine source code of BastterPartners

{
  "manifest_version": 2,
  "name": "BastterPartners",
  "description": "Aplicar cupons de desconto da Bastter.com em sites parceiros",
  "version": "0.0.6",
  "browser_action": {
    "default_title": "BastterPartners",
    "default_icon": "superpas.png",
    "default_popup": "index.html"
  },
  "icons": {
    "48": "superpas-48.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "nelsonhuoya@gmail.com"
    }
  },
  "commands": {
    "bastter": {
      "suggested_key": {
        "default": "Alt+Z"
      },
      "description": "Abrir a Bastter.com"
    },
    "bastter-system": {
      "suggested_key": {
        "default": "Alt+A"
      },
      "description": "Abrir o Bastter System"
    }
  },
  "permissions": [
    "cookies",
    "tabs",
    "scripting",
    "notifications",
    "https://huoya.parceiropetz.com.br/comprarAgora_Loja.html*",
    "https://www.remessaonline.com.br/app/transferencia",
    "http://example.com/"
  ]
}