Rasa SDK - Action Server Endpoint | Rasa Documentation

Rasa SDK - Action Server Endpoint (0.0.0)

HTTP API of the action server which is used by Rasa to execute custom actions.

operation/call_action Core request to execute a custom action

Rasa Core sends a request to the action server to execute a certain custom action. As a response to the action call from Core, you can modify the tracker, e.g. by setting slots and send responses back to the user.

Request Body schema: application/json required

Describes the action to be called and provides information on the current state of the conversation.

next_action string
The name of the action which should be executed.
sender_id string
Unique id of the user who is having the current conversation.
tracker object (Tracker)
Conversation tracker which stores the conversation state.
domain object (Domain)
The bot's domain.

Responses

200

Action was executed successfully.

400

Action execution was rejected. This is the same as returning an ActionExecutionRejected event.

500

The action server encountered an exception while running the action.

post/

Local development action server

http://localhost:5055/webhook/

Request samples

Content type

application/json

{"next_action": "string",

"sender_id": "string",

"tracker": {"sender_id": "default",

"user_id": "usr_a1b2c3d4e5f6",

"current_session_id": "4b3c1e2a-91f0-4d8e-b123-abc123def456",

"slots": [{"slot_name": "slot_value"}],

"latest_message": {"entities": [{"start": 0,

"end": 0,

"value": "string",

"entity": "string",

"confidence": 0}],

"intent": {"confidence": 0.6323,

"name": "greet"},

"intent_ranking": [{"confidence": 0.6323,

"name": "greet"}],

"text": "Hello!",

"message_id": "b2831e73-1407-4ba0-a861-0f30a42a2a5a",

"metadata": {},

"commands": [{"command": "start flow",

"flow": "transfer_money"}],

"flows_from_semantic_search": [["transfer_money",

0.9035494923591614]],

"flows_in_prompt": ["transfer_money"]},

"latest_event_time": 1537645578.314389,

"followup_action": "string",

"paused": false,

"stack": [{"frame_id": "8UJPHH5C",

"flow_id": "transfer_money",

"step_id": "START",

"frame_type": "regular",

"type": "flow"}],

"events": [{"event": "user",

"timestamp": 1774447464.622012,

"metadata": {"session_id": "eed351b9-a996-4bb8-83ea-1d18e7cd4905",

"model_id": "80687713793f4d07957e8e51f73df866",

"assistant_id": "my-assistant"},

"text": "string",

"input_channel": "string",

"message_id": "string",

"parse_data": {"entities": [{"start": 0,

"end": 0,

"value": "string",

"entity": "string",

"confidence": 0}],

"intent": {"confidence": 0.6323,

"name": "greet"},

"intent_ranking": [{"confidence": 0.6323,

"name": "greet"}],

"text": "Hello!",

"message_id": "b2831e73-1407-4ba0-a861-0f30a42a2a5a",

"metadata": {},

"commands": [{"command": "start flow",

"flow": "transfer_money"}],

"flows_from_semantic_search": [["transfer_money",

0.9035494923591614]],

"flows_in_prompt": ["transfer_money"]},

"anonymized_at": "string"}],

"latest_input_channel": "rest",

"latest_action_name": "action_listen",

"latest_action": {"action_name": "string",

"action_text": "string"},

"active_loop": {"name": "restaurant_form"}},

"domain": {"config": {"store_entities_as_slots": false},

"intents": [{"property1": {"use_entities": true},

"property2": {"use_entities": true}}],

"entities": ["person","location"],

"slots": {"property1": {"auto_fill": true,

"initial_value": "string",

"type": "string",

"values": ["string"]},

"property2": {"auto_fill": true,

"initial_value": "string",

"type": "string",

"values": ["string"]}},

"responses": {"property1": {"text": "string"},

"property2": {"text": "string"}},

"actions": ["action_greet","action_goodbye","action_listen"]}}

Response samples

Content type

application/json

{"events": [{"event": "user",

"timestamp": 1774447464.622012,

"metadata": {"session_id": "eed351b9-a996-4bb8-83ea-1d18e7cd4905",

"model_id": "80687713793f4d07957e8e51f73df866",

"assistant_id": "my-assistant"},

"text": "string",

"input_channel": "string",

"message_id": "string",

"parse_data": {"entities": [{"start": 0,

"end": 0,

"value": "string",

"entity": "string",

"confidence": 0}],

"intent": {"confidence": 0.6323,

"name": "greet"},

"intent_ranking": [{"confidence": 0.6323,

"name": "greet"}],

"text": "Hello!",

"message_id": "b2831e73-1407-4ba0-a861-0f30a42a2a5a",

"metadata": {},

"commands": [{"command": "start flow",

"flow": "transfer_money"}],

"flows_from_semantic_search": [["transfer_money",

0.9035494923591614]],

"flows_in_prompt": ["transfer_money"]},

"anonymized_at": "string"}],

"responses": [{"text": "string"}]}