# Create a new Build resource. At least one function version or asset version is required.

**POST /v1/Services/{ServiceSid}/Builds**

Create a new Build resource. At least one function version or asset version is required.
A collection of Function Versions, Asset Versions, Dependencies, and a Runtime that form a deployable unit.

## Servers
- https://serverless.twilio.com: https://serverless.twilio.com ()


## Authentication methods
- Account sid auth token


## Parameters

### Path parameters
- **ServiceSid** (string)
  The SID of the Service to create the Build resource under.


### Body: application/x-www-form-urlencoded (object)

- **AssetVersions** (array[string])
  The list of Asset Version resource SIDs to include in the Build.
- **FunctionVersions** (array[string])
  The list of the Function Version resource SIDs to include in the Build.
- **Dependencies** (string)
  A list of objects that describe the Dependencies included in the Build. Each object contains the `name` and `version` of the dependency.
- **Runtime** (string)
  The Runtime version that will be used to run the Build resource when it is deployed.


## Responses
### 201
Created
#### Headers
- **Access-Control-Allow-Origin** (string)
  Specify the origin(s) allowed to access the resource
- **Access-Control-Allow-Methods** (string)
  Specify the HTTP methods allowed when accessing the resource
- **Access-Control-Allow-Headers** (string)
  Specify the headers allowed when accessing the resource
- **Access-Control-Allow-Credentials** (boolean)
  Indicates whether the browser should include credentials
- **Access-Control-Expose-Headers** (string)
  Headers exposed to the client

#### Body: application/json (object)
- **sid** (string | null)
  The unique string that we created to identify the Build resource.
- **account_sid** (string | null)
  The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Build resource.
- **service_sid** (string | null)
  The SID of the Service that the Build resource is associated with.
- **status** (string)
  The status of the Build. Can be: `building`, `completed`, or `failed`.
- **asset_versions** (array | null)
  The list of Asset Version resource SIDs that are included in the Build.
- **function_versions** (array | null)
  The list of Function Version resource SIDs that are included in the Build.
- **dependencies** (array | null)
  A list of objects that describe the Dependencies included in the Build. Each object contains the `name` and `version` of the dependency.
- **runtime** (string)
  The Runtime version that will be used to run the Build resource when it is deployed.
- **date_created** (string(date-time) | null)
  The date and time in GMT when the Build resource was created specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format.
- **date_updated** (string(date-time) | null)
  The date and time in GMT when the Build resource was last updated specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format.
- **url** (string(uri) | null)
  The absolute URL of the Build resource.
- **links** (object(uri-map) | null)



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