| Property | Type | Description | Required or Optional | Available Version |
|---|---|---|---|---|
| externalCredential | String | Fully qualified developer name of the external credential. | Required | 56.0 |
| principalName | String | Name of the external credential named principal. | Required if principalType is NamedPrincipal | 56.0 |
| principalType | ConnectApi.CredentialPrincipalType | Type of credential principal.
Values are:
|
Required | 56.0 |
| returnUrl | String | Return URL to apply to the authentication URL. | Optional | 56.0 |