René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Adding a file to a custom field when creating a deal","articleBody":"I'm trying to add an image to a custom field when I create a deal, but I've been receiving the same HTTPError.\r\n\r\nI'm trying to execute the code below:\r\n\r\n\r\n```\r\nconst imgData = [{\r\n  fileData: [ \"test-st.png\", \"iVBORw0KGgoAAAANSUh...\" ] // fileData[1] is a base64 str \r\n}]\r\n\r\nlet data = await bitrix.deals.create({\r\n    fields: {\r\n      TITLE: \"ST-TEST\",\r\n      CATEGORY_ID: 18,\r\n      UF_CRM_1659988440473: 4759,\r\n      UF_CRM_1678981077892: imgData, \r\n    },\r\n  }, {\r\n    REGISTER_SONET_EVENT: 'Y'\r\n})\r\n```\r\n\r\n\r\nThe full error is:\r\n\r\n```\r\n{\r\n    \"name\": \"HTTPError\",\r\n    \"timings\": {\r\n        \"start\": 1684867744230,\r\n        \"socket\": 1684867744231,\r\n        \"lookup\": 1684867744255,\r\n        \"connect\": 1684867744410,\r\n        \"secureConnect\": 1684867744568,\r\n        \"upload\": 1684867744568,\r\n        \"response\": 1684867744880,\r\n        \"end\": 1684867744881,\r\n        \"phases\": {\r\n            \"wait\": 1,\r\n            \"dns\": 24,\r\n            \"tcp\": 155,\r\n            \"tls\": 158,\r\n            \"request\": 0,\r\n            \"firstByte\": 312,\r\n            \"download\": 1,\r\n            \"total\": 651\r\n        }\r\n    }\r\n}\r\n```\r\n\r\nWhat can I do to solve this?\r\n","author":{"url":"https://github.com/SparTT","@type":"Person","name":"SparTT"},"datePublished":"2023-05-23T20:52:05.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/52/bitrix/issues/52"}