> ## Documentation Index
> Fetch the complete documentation index at: https://docs.celestra.space/llms.txt
> Use this file to discover all available pages before exploring further.

# Create Parameter

## Request

### Headers

<Snippet file="authorization-param.mdx" />

### Body

<ParamField body="alias" type="string">
  Alias can be used as a human friendly name or external ID. Slashes are treated as folder separators in many of our UIs. E.g.
  `/assembly1/part2/component3/id` or `SUN_AZIMUTH_ANGLE`.
</ParamField>

## Response

<ResponseField name="parameter" type="object">
  <Expandable title="parameter">
    <Snippet file="parameter-object.mdx" />
  </Expandable>
</ResponseField>