1. Expel Support Center
  2. Expel Phishing
  3. Phishing setup

Gmail Report Phishing button set up

  • Updated

In this article

  1. Create Google Workspace Addon project

  2. Create Google Workspace Cloud project

  3. Connect Google Workspace Cloud and Addon projects

  4. Install/deploy addon to domain

Step 1: Create Google Workspace Add on project

  1. Navigate to https://script.google.com/ and login as the domain super admin. Click New project.

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  2. Click Untitled project, rename the project Report potential phishing, and then click Rename.

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  3. Click the + sign next to Files and select Script.

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  4. Type Config as the file name and press Enter. The file list looks like this:

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  5. Click the Settings icon at the bottom of the navigation bar.

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  6. Select the Show "appscript.json" manifest file in editor checkbox.

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  7. Click the Code Editor icon in the navigation bar.

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    The appscript.json file appears in the file list like the example below:

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  8. Using the provided GmailAddOn.zip file, extract, copy, and paste the contents of each file into the corresponding files in the Apps Script editor.

    • Before

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    • After

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  9. After the files are copied into and saved in the Apps Script editor, click Deploy and select New deployment.

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  10. Click the gear icon next to Select type and select Web app and Add-on.

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  11. Type Report potential phishing as the New description, select the Anyone within… option under Who has access, and then click Deploy.

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  12. After the deploy is complete, click Copy under the Deployment ID and paste the ID somewhere for use in a later step.

    Note

    Keep this tab open. You return to it in a later step

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Step 2: Create Google Workspace Cloud project

  1. Open a new browser tab and go to https://console.cloud.google.com/projectcreate, type Report potential phishing as the project name, and then click CREATE.

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  2. Click the top left menu icon, select APIs & Services, and then click Enabled APIs & services.

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  3. Search for Google Workspace Marketplace SDK.

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  4. Select Google Workspace Marketplace SDK from the search results.

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  5. Click ENABLE.

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  6. Click the App Configuration tab.

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  7. From the App Configuration tab, click The OAuth Consent Screen must be enabled for this project.

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  8. On the OAuth consent screen, select Internal and then click CREATE.

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  9. Complete the following fields, leaving the rest empty, and then click SAVE AND CONTINUE.

    • App name: Report potential phishing

    • User support email: type an email address for the security team/help desk where end users can direct general questions if they have any

    • Developer contact information: support@expel.io

  10. On the Edit app registration page, click ADD OR REMOVE SCOPES.

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  11. In the Update selected scopes area that opens, copy the following scopes into the Manually add scopes field.

    • https://www.googleapis.com/auth/gmail.addons.execute

    • https://www.googleapis.com/auth/gmail.addons.current.message.readonly

    • https://www.googleapis.com/auth/gmail.send

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  12. Click ADD TO TABLE.

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  13. Verify that the 3 scopes are added to the table and are selected and click UPDATE.

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  14. The Edit app registration page appears, showing the 3 scopes. Scroll to the bottom of the page and click SAVE AND CONTINUE.

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Step 3: Connect Google Workspace Cloud and Add on projects

  1. Go to the App configuration page: https://console.cloud.google.com/apis/api/appsmarket-component.googleapis.com/googleapps_sdk and copy the App ID.

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  2. Go back to the Apps Script tab, or navigate to the Report potential phishing project at https://script.google.com and navigate to Project Settings, then click Change project at the bottom of the page.

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  3. Paste the copied App ID from Step 3.1 into the GCP Project Number field, and then click Set project.

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  4. Go back to the API & Services cloud console tab https://console.cloud.google.com/apis/api/appsmarket-component.googleapis.com/googleapps_sdk, select the Google Workspace Add-on checkbox and Deploy using Apps Script deployment id, then type the Deployment ID copied from Step 1.

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  5. Scroll to the OAuth Scopes section, click ADD SCOPE, and add the 3 scopes below. After complete, 5 scopes total should be listed, including the 2 defaults:

  6. Select Admin Only Install for Installation Settings, select Private for App Visibility, and then click SAVE.

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  7. Scroll to Developer Links and type the following:

  8. Select the Store Listing tab in the middle of the page. Click the down arrow next to English - under App Details.

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  9. Fill in the following App Details fields and then click DONE:

    • Application Name: Report potential phishing

    • Short Description: Report potential phishing emails

    • Detailed Description: Utility to help send potential phishing emails for triage

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  10. Fill in the following remaining fields and then click PUBLISH:

    • Category: Administration and Management

    • Graphic Assets (click BROWSE and upload image from zip file):

      • Application Icon 32x32: 32x32.png

      • Application Icon 128x128: 128x128.png

      • Application Card Banner: 128x128.png

    • Screenshot (click BROWSE and upload image from zip file): 80x80.png

    • Support Links:

    • Distribution: click All Regions or select from the Regions list.

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Step 4: Install add on to domain

  1. Navigate to https://gsuite.google.com/marketplace/mydomainapps, click the Report potential phishing app, and then click Domain Install.

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  2. In the Domain wide install area, click CONTINUE.

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  3. On the OAuth Consent Screen, click the I agree checkbox, and then click ALLOW.

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  4. After complete, you see a success message. Click DONE.

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  5. The add-on becomes available to end users shortly. It can take as long as 24 hours for the deployment to take effect.

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