> **应用场景**: >车场向指定通道的智慧屏推送语音播报 字段信息: | 名称 | 说明 | 类型 | 示例 | 是否必传字段 | | --- | --- | --- | --- | --- | service_name |接口名称|String |init_screen| 是 data_target |上传位置 | String| wisdom_screen |是 channel_id |通道编号| String|A11 |是 content|语音播报内容| String|请使用微信支付宝扫码查询 |是 > 示例: { "service_name": "init_screen","data_target": "wisdom_screen","channel_id":"A11","content": "请使用微信支付宝扫码查询"}