Attachinga a file to a bug

Attachinga a file to a bug

I'm trying to make an import from our bugtraker to zoho... What I'm missing is hou to use the uploaddoc field in the create bug api!
https://www.zoho.com/projects/help/rest-api/bugs-api.html#alink3

How can I associate a file to a bug?

I cannot find this also inthe wrapper:
https://help.zoho.com/portal/en/community/topic/zoho-projects-rest-api-wrappers 

edit:
What I'm using now is python