Here was the solution: ``` const variables = ({ boardId : 00000000, groupId: "new_group", itemName : "New Item", columnValues: JSON.stringify({ people78: { personsAndTeams: [ { id: 00000000, kind: "person" } ] }, text0: "Yosemite Sam", dropdown: { labels: [ "TAM" ] }, }) }); const query = `mutation create_item ($boardId: Int!, $groupId: String!, $itemName: String!, $columnValues: JSON!) { create_item ( board_id: $boardId, group_id: $groupId, item_name: $itemName, column_values: $columnValues ) { id } }`; monday.api(query, {variables}).then((res) => { console.log('new item info: ', res); }); ```

Context: Stack Overflow question (score 3, has accepted answer): I'm using the Monday.com API in a React bootstrapped app. I can create a new board item successfully with an item name... ``` monday.api( `mutation { create_item ( board_id: ${myBoardId}, group_id: "new_group", item_name: "new item creation", ) { id } }` ) ``` ...but when I try to add additional column values I get a POST 500 error. ``` monday.api( `mutation { create_item ( board_id: ${myBoardId}, group_id: "new_group", item_name: "new item creation", column_values: { person: 00000000, } ) { id } }` ) ``` I've tried passing a string in for the column values... ``` let columnValues =