The default property assigns a predefined value when none is specified, or it can be enforced by omitting values from the post.
...
{
"schema": {
"user": {
"type": "string",
"default": "$.auth._id"
},
"publishedAt": {
"type": "number",
"default": "$.now"
},
"ip": {
"type": "string",
"default": "$.ip"
},
"title": {
"type": "string"
},
"rate": {
"type": "number",
"default": 0
}
},
}
...The $.auth._id value refers to the authenticated user's unique identifier (ID).
The $.now value represents the current timestamp at the time the request is made.
The $.ip value refers to the IP address of the client making the request.