# `SecurityDelegatePkiRequest` [interface-SecurityDelegatePkiRequest]

| Name | Type | Description |
| - | - | - |
| `body` | string | ({ [key: string]: any; } & { x509_certificate_chain?: never; }) | All values in `body` will be added to the request body. |
| `querystring` | { [key: string]: any; } & { x509_certificate_chain?: never; } | All values in `querystring` will be added to the request querystring. |
| `x509_certificate_chain` | string[] | The X509Certificate chain, which is represented as an ordered string array. Each string in the array is a base64-encoded (Section 4 of RFC4648 - not base64url-encoded) of the certificate's DER encoding. The first element is the target certificate that contains the subject distinguished name that is requesting access. This may be followed by additional certificates; each subsequent certificate is used to certify the previous one. |