Trains the specified flow. Note that only the flow in 'draft' environment is trained.
This method is a long-running operation 
. The returned Operation 
type has the following method-specific fields:
-  metadata: An empty Struct message
-  response: An Empty message
Note: You should always train a flow prior to sending it queries. See the training documentation .
HTTP request
 POST https://{endpoint}/v3/{name=projects/*/locations/*/agents/*/flows/*}:train 
Where {endpoint} 
is one of the supported service endpoints 
.
The URLs use gRPC Transcoding syntax.
Path parameters
name 
 string 
Required. The flow to train. Format: projects/<ProjectID>/locations/<LocationID>/agents/<AgentID>/flows/<FlowID> 
.
Authorization requires the following IAM 
permission on the specified resource name 
:
-  dialogflow.flows.train
Request body
The request body must be empty.
Response body
If successful, the response body contains an instance of  Operation 
 
.
Authorization scopes
Requires one of the following OAuth scopes:
-  https://www.googleapis.com/auth/cloud-platform
-  https://www.googleapis.com/auth/dialogflow
For more information, see the Authentication Overview .

