# Item Objects > TK ## Syntax - **Field** — Any valid root field or [relational field](#) - **Value** — Any valid static value, or [dynamic variable](#) ``` { : } ``` ### Example ```json { "title": "Directus" } ``` ## Relational You can set related values by nesting field names. For example, if you have a relational [Many-to-One](#) `author` field, you can set a rule for the `author.name` field using the following syntax. ```json { "author": { "name": "Rijk van Zanten" } } ``` ## Dynamic Variables In addition to static values, you can also set _dynamic_ values using the following variables. - `$CURRENT_USER` — The primary key of the currently authenticated user - `$CURRENT_ROLE` — The primary key of the role for the currently authenticated user - `$NOW` — The current timestamp