, .
1. conversation_start node "Hello <? context.username ?>".

2. - (Python).
import json
from watson_developer_cloud import ConversationV1
conversation = ConversationV1(
username='SERVICE_USERNAME',
password='SERVICE_PASSWORD',
version='2016-07-11')
workspace_id = 'WORKSPACE_ID_CONVERSATION'
response = conversation.message(workspace_id=workspace_id, context= {'username':'Simon'})
print json.dumps(response)
3. , : "" - , .
{
"entities":[],
"intents":[],
"output":{
"log_messages":[],
"nodes_visited":["node_1_1472298724972],
"text":["Hello Simon"]
},
"context":{
"username":"Simon",
"conversation_id":"9dc1501b-ac53-4b51-a299-37f5314ebf89",
"system":{
"dialog_turn_counter":1,
"dialog_stack":["root"],
"dialog_request_counter":1
}
},
"input":{}
}
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