{
  "timeZone": "GMT",
  "oauthScopes": [
    "https://www.googleapis.com/auth/gmail.addons.execute",
    "https://www.googleapis.com/auth/gmail.addons.current.message.readonly",
    "https://www.googleapis.com/auth/spreadsheets",
    "https://www.googleapis.com/auth/script.storage"
  ],
  "gmail": {
    "version": "TRUSTED_TESTER_V2",
    "name": "Expense It!",
    "logoUrl": "https://www.gstatic.com/images/icons/material/system/1x/receipt_black_24dp.png",
    "contextualTriggers": [{
      "unconditional": {
      },
      "onTriggerFunction": "getContextualAddOn",
      "openLinkUrlPrefixes": [
          "https://docs.google.com/"
      ],
    }],
    "primaryColor": "#41f470",
    "secondaryColor": "#94f441"
  }
}

{
  "timeZone": "GMT",
  "oauthScopes": [
    "https://www.googleapis.com/auth/gmail.addons.execute",
    "https://www.googleapis.com/auth/gmail.addons.current.message.readonly",
    "https://www.googleapis.com/auth/spreadsheets",
    "https://www.googleapis.com/auth/script.storage"
  ],
  "gmail": {
    "version": "TRUSTED_TESTER_V2",
    "name": "Expense It!",
    "logoUrl": "https://www.gstatic.com/images/icons/material/system/1x/receipt_black_24dp.png",
    "contextualTriggers": [{
      "unconditional": {
      },
      "onTriggerFunction": "getContextualAddOn"
    }],
    "openLinkUrlPrefixes": ["https://docs.google.com/"],
    "primaryColor": "#41f470",
    "secondaryColor": "#94f441"
  }
}
Fix for manifest to put openLinkUrlPrefixes as property of gmail
Fix for manifest to put openLinkUrlPrefixes as property of gmail

The manifest for Full-application has openLinkUrlPrefixes as child of  gmail.contextualTriggers.openLinkUrlPrefixes[] where it shoud be gmail.openLinkUrlPrefixes[]
