The response message for  Environments.GetEnvironmentHistory 
 
.
| JSON representation | 
|---|
|  { 
 "parent" 
 : 
 string 
 , 
 "entries" 
 : 
 [ 
 { 
 object (  | 
parent 
 string 
Output only. The name of the environment this history is for. Supported formats:
-  projects/<Project ID>/agent/environments/<Environment ID>
-  projects/<Project ID>/locations/<Location ID>/agent/environments/<Environment ID>
The environment ID for the default environment is - 
.
entries[] 
 object (  
 Entry 
 
)
Output only. The list of agent environments. There will be a maximum number of items returned based on the pageSize field in the request.
nextPageToken 
 string 
Output only. Token to retrieve the next page of results, or empty if there are no more results in the list.
Entry
Represents an environment history entry.
| JSON representation | 
|---|
| { "agentVersion" : string , "description" : string , "createTime" : string } | 
| Fields | |
|---|---|
| agentVersion |   The agent version loaded into this environment history entry. | 
| description |   The developer-provided description for this environment history entry. | 
| createTime |   The creation time of this environment history entry. Uses RFC 3339, where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples:  | 

