...
"auth_method_1": "openid_connect",
Also, note that your URL may need to be slightly different. We use the URL as below, but some customers have had this fail. Their URL had to be: https://YOUR_SUBDOMAIN.okta.com/oauth2/v1/token (removed /default).
"auth_openid_connect" : [{
"type": "okta",
"url": "https://YOUR_SUBDOMAIN.okta.com/oauth2/default/v1/token",
"password": "password",
"test_error": "error_description",
"test_success": "access_token",
"username": "username",
"post": {
"client_id": "YOUR_CLIENT_ID",
"client_secret": "YOUR_CLIENT_SECRET",
"grant_type": "password",
"scope": "openid",
"password": "",
"username": ""
},
"headers": {
"accept": "application/json",
"content-type": "application/x-www-form-urlencoded"
}
}]
...