To find your Google Analytics number account, follow these steps:
1. Connect to your Analytics account
2. Click on Admin
3. Select an account in the drop-down list in the column Account
4. Select a property in the drop-down list Property
5. Under Property, click on Tracking info > tracking code
6. Your code's format is UA-XXXXXXXX-1, you can copy/past this one in your GOrendezvous account
If you want more information about Google Analytics, click on this link https://support.google.com/analytics/answer/1008080?hl=en