Block Forms Prevent users in your domain from completing forms made by gmail accounts. Not every form should be allowed to be completed. When a gmail form is opened the page html is rewritten to display a block message.
JSON Policy management for Allowlisting and Blocklisting domains.
{ "organization" : {
"Value" : "<your organization name as displayed at the bottom of a form>"
},
"allowlist":{
"Value":["<organization name>", "<organization name>"]
},
"blocklist":{
"Value":["<organization name>", "<organization name>"]
} }
"blocklist" will also take ["*"] to block all external domains.