1. Types
2. vapi
3. metadata
4. authentication

## vapi metadata authentication: operation info

The `operation_info` structure contains authentication information of an operation element.

### Representations:

- JSON
- XML

{
"schemes": [
{
"scheme": "string",
"scheme_type": "SESSIONLESS",
"session_manager": "string"
},
{
"scheme": "string",
"scheme_type": "SESSIONLESS",
"session_manager": "string"
}
]
}
<?xml version="1.0" ?>
<ns0:OperationInfo xmlns:ns0="http://vmware.com/vapi/metadata/authentication" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<schemes-array>
<array-item>
<scheme_type>SESSIONLESS</scheme_type>
<scheme>string</scheme>
<session_manager>string</session_manager>
</array-item>
<array-item>
<scheme_type>SESSIONLESS</scheme_type>
<scheme>string</scheme>
<session_manager>string</session_manager>
</array-item>
</schemes-array>
</ns0:OperationInfo>

#### Attributes:

Name | Type | Description
--- | --- | ---
Required
schemes | authentication_info[] | List of authentication schemes used by an operation element. The authentication scheme specified on the service element corresponding to this operation element is ignored.