| :fiddle/cljs-ns | string | one | | ClojureScript `user` namespace, available in :fiddle/renderer. |
| :fiddle/css | string | one | | Fiddle CSS.
Warning: CSS is not scoped, please write targetted CSS |
| :fiddle/hydrate-result-as-fiddle | boolean | one | | Experimental. When set, data-sync will interpret this fiddle's result as a fiddle - like a higher order fiddle - this is a recursion mechanic. |
| :fiddle/ident | keyword | one | identity | Fiddle identifier used in URLs. Warning: changing this breaks fiddle URLs. |
| :fiddle/links | ref | many | | Links to other fiddles that are available from this fiddle |
| :fiddle/markdown | string | one | | Markdown expression for fiddle view, optional |
| :fiddle/pull | string | one | | Datomic pull expression for the entity addressed by the URL |
| :fiddle/pull-database | string | one | | Argument to `datomic.api/pull`, defaults to $ |
| :fiddle/query | string | one | | Datomic query datalog.
Warning: no support yet for rules, d/history, d/log or other datomic API access. |
| :fiddle/renderer | string | one | | Reagent expression for the fiddle view |
| :fiddle/type | keyword | one | | Which Datomic query API |
| :fiddle/uuid | uuid | one | identity | For naming anonymous fiddles |