> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://sgrouphelpcenter.crisp.help/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Registration - What is a field sponsor?

![](https://storage.crisp.chat/users/helpdesk/website/792eba831bb19000/b23b8760-bc50-47c8-9b65-39baa3_1l1f7cc.jpeg)

In the sponsor field, you must specify the ID of the partner who invited you. This field is mandatory.  
The referral link or registration ID can be provided to you by the partner from whom you heard about us or we can provide the referral link of the leading partner in your region.  
  
We hope you have found this information useful. If you have any additional questions - we will be happy to help! Chat in the lower right corner :)