Searches return a list of cards using CQL, the Card Query Language. See the syntax documentation.
*read+*right+*content options
{"extension_type":"User"}
*to+*right+*content options
{ "right_plus":{"codename":"account"} }
*from+*right+*content options
{ "right_plus":{"codename":"account"} }
*cc+*right+*content options
{ "right_plus":{"codename":"account"} }
*bcc+*right+*content options
{ "right_plus":{"codename":"account"} }
*style+*right+*content options
{"type": "bootswatch_skin", "sort": "name"}
*roles+*right+*content options
{"type":"role", "not":{"codename":["in","anyone","anyone_...
*layout+*right+*content options
{"type": "HTML"}
*recent settings+*self+*content options
{"type":"setting"}
*attach+*right+*content options
{"type": "File",
"sort": "update"
}
*last edited+*right+*structure
Search : {"last_edited_by": "_left",
"sort": "update",
"view": "change"
}