# Associating an FPGA Image with an ECS Image

#### Function

This API is used to create a mapping between an FPGA image and an ECS image.

#### URI

POST /v1/{project_id}/cloudservers/fpga_image/{fpga_image_id}/association

Table 1 describes the parameters in the URI.

Table 1 Parameter description
Parameter | Mandatory | Description
--- | --- | ---
project_id | Yes | Specifies the project ID.
fpga_image_id | Yes | Specifies the FPGA image ID.

#### Request

Table 2 describes the request parameters.

Table 2 Request parameters
Parameter | Type | Mandatory | Description
--- | --- | --- | ---
image | Object | Yes | Specifies the ECS image.

Table 3 image field description
Parameter | Type | Mandatory | Description
--- | --- | --- | ---
id | String | Yes | Specifies the ECS image ID.

#### Response

None

#### Example Request

    POST https://{endpoint}/v1/{project_id}/cloudservers/fpga_image/{fpga_image_id}/association

    {
      "image": {
        "id": "18efee75-e058-4c52-a49c-9e3ba4d1c8de"
      }
    }

#### Example Response

None

#### Returned Values

See Returned Values for General Requests.

#### Error Codes

See Error Codes.

Parent topic: FPGA Logical File Management