This API is used to delete a security group for an ECS.

POST /v2.1/{project_id}/servers/{server_id}/action

POST /v2/{project_id}/servers/{server_id}/action

Table 1 describes the parameters in the URI.

**Table 1** Parameter description
Parameter	Mandatory	Description
project_id	Yes	Specifies the project ID.
server_id	Yes	Specifies the ECS ID.

Table 2 describes the request parameters.

**Table 2** Request parameter
Parameter	Mandatory	Type	Description
removeSecurityGroup	Yes	Object	Specifies the security group to be deleted for an ECS. For details, see Table 3.

**Table 3** **removeSecurityGroup** parameter description
Parameter	Mandatory	Type	Description
name	Yes	String	Specifies the UUID or name of the security group from which the ECS is removed. The configuration takes effect for the NICs on the ECS.

None

POST https://{endpoint}/v2.1/{project_id}/servers/{server_id}/action

{ 
    "removeSecurityGroup": { 
        "name": "sg-test"
    }
}

None

Deleting a Security Group