manifest.json

{
    "manifest_version": 3,
    "name": "Account Engagement UX Helper",
    "version": "1.0.1",
    "description": "Replace occurrences of 'Account Engagement' with Custom Text, improving the UX within Salesforce",
    "permissions": ["storage"],
    "icons": {
        "16": "images/icon-16.png",
        "32": "images/icon-32.png",
        "48": "images/icon-48.png",
        "128":"images/icon-128.png"
    },
    "background": {
      "service_worker": "background.js"
    },
    "content_scripts": [
      {
        "matches": ["*://*.lightning.force.com/*", "*://*.my.salesforce.com/*"],
        "js": ["content.js"]
      },
      {
        "matches": ["*://*.lightning.force.com/*", "*://*.my.salesforce.com/*"],
        "js": ["iframeContent.js"],
        "all_frames": true
      }
    ],
    "web_accessible_resources":[{
      "matches": ["*://*.lightning.force.com/*", "*://*.my.salesforce.com/*"],
      "resources":["iframeInject.js"]
    }],
    "options_page": "options.html"
  }