そのためには、[Use raw JSON] (ローのJSONを使用)を選択し、[Request body] (リクエストボディ)フィールドに以下のJSONを入力します:
{
"contents": [
{
"parts": [
{"text": "Compare the capabilities and features from the Qlik Analytics and the Data Integration products described at https://www.qlik.com/us/products/qlik-cloud-analytics and https://www.qlik.com/us/products/qlik-talend-data-integration-and-quality"}
]
}
],
"tools": [
{
"url_context": {}
}
]
}