Api for creating a customization template and parameters required

Hi all ,i am working on implementing a automation using mangeiq api and need some help on a api as the exact documentation for the same is not available any where
I was trying to create customization template using api, but when i tried to do that i always get 404 not found ie that api is not valid or not available

As per the documentation

For querying
GET /api/action

For specific querying

GET /api/actions/:id

For creating

POST /api/actions

Based on the above documentation i tried to query customization template and create the customization template

The querying worked fine ie

API : https://cfme/api/customization_templates
Request type: GET

Response :

{
“name”: “customization_templates”,
“count”: 17,
“subcount”: 17,
“pages”: 1,
“resources”: [
{
“href”: “https://cfme/api/customization_templates/1001000000000001”
},
{
“href”: “https://cfme/api/customization_templates/1001000000000002”
}



],
“links”: {
“self”: “https://cfme/api/customization_templates?offset=0”,
“first”: “https://cfme/api/customization_templates?offset=0”,
“last”: “https://cfme/api/customization_templates?offset=0”
}
}

To create i have tired with the same api with following body

Api : https://cfme/api/customization_template
Request : Post
Body:
{

“name”: “cfme_medium”,
“description”: test customization template “,
“script”: “test”,
“pxe_image_type_id”: “1001000000000003",
“type”: “CustomizationTemplateCloudInit”,
“system”: null

}

Response:

The page you were looking for doesn’t exist (404) body { background-color: #fff; color: #666; text-align: center; font-family: arial, sans-serif; } div.dialog {.......... ......

Can i get some insight on the same ,how can achieve creation of the customization template using api ,it will be of great help

It seems the api doesn’t support creation