> ## 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.

# Describe Parameter

## Request

### Headers

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

### Body

<ParamField body="by_version" type="object">
  Get Parameter version by ID

  <Expandable title="by_version">
    <ParamField body="parameter_id" type="string" />

    <ParamField body="version_id" type="string" />
  </Expandable>
</ParamField>

<ParamField body="by_alias" type="object">
  Get latest Parameter by alias

  <Expandable title="by_alias">
    <ParamField body="alias" type="string" />
  </Expandable>
</ParamField>

<ParamField body="by_latest_version" type="object">
  Get latest Parameter by ID

  <Expandable title="by_latest_version">
    <ParamField body="parameter_id" type="string" />
  </Expandable>
</ParamField>

## Response

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