{ "properties": { "po_details": { "type": "object", "required": [ "core_contributor_legal", "item" ], "title": "Expense report - coworking", "description": "Upload expense evidence for coworking expenses you want to get reimbursement for", "properties": { "core_contributor_legal": { "type": "string", "title": "Legal (entity) name" }, "item": { "type": "array", "title": "Please specify the goods or services you need", "minItems": 1, "items": { "type": "object", "title": "Item information", "required": [ "merchant", "supporting_file" ], "properties": { "merchant":{ "type": "string", "title": "Vendor" }, "supporting_file": { "type": "string", "title": "Supporting file", "format": "data-url" } } } } } } } }