调用 DescribeDBInstanceAclCategories 接口查询目标 Redis 实例支持的命令类别。 ## 请求类型同步请求。 ## 调试 [去调试](https://api.volcengine.com/api-explorer/debug?action=DescribeDBInstanceAclCategories&serviceCode=Redis&version=2020-12-07&groupName=账号管理) ## 请求参数 |**参数** |**类型** |**是否必选** |**示例值** |**描述** | |---|---|---|---|---| |InstanceId |String |是 |redis\-cnlfqfxzk8zxt9ghz |实例 ID。

说明

您可以调用 DescribeDBInstances接口查询目标地域下所有 Redis 实例的基本信息，包括实例 ID。

| ## 返回参数 |**参数** |**类型** |**示例值** |**描述** | |---|---|---|---| |Categories |Array of String |["keyspace","read","write","set","sortedset","list","hash","string","bitmap","hyperloglog","geo","stream","pubsub","admin","fast","slow","blocking","dangerous","connection","transaction","scripting"] |当前实例支持的命令类别。

说明

缓存数据库 Redis 版默认提供了 Administrator、NotDangerous、ReadWrite、ReadOnly 和 NotWrite 五种角色，每种角色的 ACL 规则不同，支持的命令分类及对应的命令也不同。更多详情，请参见 ACL 语法。

| ## 示例 ## 请求示例 ```JSON POST https://redis.cn-beijing.volcengineapi.com/?Action=DescribeDBInstanceAclCategories&Version=2020-12-07 HTTP/1.1 Host: redis.cn-beijing.volcengineapi.com Content-Type: application/json X-Date: 20240926T113612Z Authorization: HMAC-SHA256 Credential=AKLTO*****U2NGM/20240926/cn-beijing/Redis/request, SignedHeaders=x-content-sha256;x-date, Signature=e769f*****bf440 { "InstanceId": "redis-cnlfqfxzk8zxt9ghz" } ``` ## 返回示例 ```JSON { "ResponseMetadata": { "RequestId": "20240926193612F1B41A449DB5EFC04A19-13880a", "Action": "DescribeDBInstanceAclCategories", "Version": "2020-12-07", "Service": "Redis", "Region": "cn-beijing" }, "Result": { "Categories": [ "keyspace", "read", "write", "set", "sortedset", "list", "hash", "string", "bitmap", "hyperloglog", "geo", "stream", "pubsub", "admin", "fast", "slow", "blocking", "dangerous", "connection", "transaction", "scripting" ] } } ``` ## 错误码更多详情，请参见[错误码](https://docs.volcengine.com/docs/6293/73664)。