呼び出し可能なカスタムアクションへのBox File Pickerの組み込み

global with sharing class BoxFilePickerExample {
    @InvocableMethod(label='Get Selected Box File (Example)' description='Accept a file-picker selection and return the file ID' category='Box')
    global static List<Response> getSelectedFile(List<Request> requests) {
        List<Response> responses = new List<Response>();
        for(Request req : requests) {
            if(req.file == null || String.isBlank(req.file.selectedFileId)) {
                throw new IllegalArgumentException('File selection is required');
            }
            Response resp = new Response();
            resp.fileId = req.file.selectedFileId;
            resp.fileName = req.file.selectedFileName;
            responses.add(resp);
        }
        return responses;
    }
    global class Request {
        @InvocableVariable(label='Select File' description='Choose a Box file' required=true)
         global boxagents.FileSelection file;
    }    
    global class Response {
        @InvocableVariable(label='File ID') global String fileId;
        @InvocableVariable(label='File Name') global String fileName;
    }
}