How to see the content from rasa server to rasa action server

Hi, I want to see the content like follow, which sended by rasa server to rasa action server, How can I do it? Thank you.

Custom Action Input

{
    "next_action": "action_tell_weather",
    "sender_id": "2687378567977106",
    "tracker": {
        "sender_id": "2687378567977106",
        "slots": {
            "location": null,
            "temperature": null
        },
        "latest_message": {
            "text": "/ask_weather",
            "intent": {
                "name": "ask_weather",
                "confidence": 1
            },
            "intent_ranking": [
                {
                    "name": "ask_weather",
                    "confidence": 1
                }
            ],
            "entities": []
        },
        "latest_event_time": 1599850576.655345,
        "followup_action": null,
        "paused": false,
        "events": [
            {
                "event": "action",
                "timestamp": 1599850576.654908,
                "name": "action_session_start",
                "policy": null,
                "confidence": null
            },
            {
                "event": "session_started",
                "timestamp": 1599850576.654916
            },
            {
                "event": "action",
                "timestamp": 1599850576.654928,
                "name": "action_listen",
                "policy": null,
                "confidence": null
            },
            {
                "event": "user",
                "timestamp": 1599850576.655345,
                "text": "/ask_weather",
                "parse_data": {
                    "text": "/ask_weather",
                    "intent": {
                        "name": "ask_weather",
                        "confidence": 1
                    },
                    "intent_ranking": [
                        {
                            "name": "ask_weather",
                            "confidence": 1
                        }
                    ],
                    "entities": []
                },
                "input_channel": "facebook",
                "message_id": "3f2f2317dada4908b7a841fd3eab6bf9",
                "metadata": {}
            }
        ],
        "latest_input_channel": "facebook",
        "active_form": {},
        "latest_action_name": "action_listen"
    },
    "domain": {
        "config": {
            "store_entities_as_slots": true
        },
        "session_config": {
            "session_expiration_time": 60,
            "carry_over_slots_to_new_session": true
        },
        "intents": [
            {
                "greet": {
                    "use_entities": true
                }
            },
            {
                "ask_weather": {
                    "use_entities": true
                }
            }
        ],
        "entities": [],
        "slots": {
            "location": {
                "type": "rasa.core.slots.UnfeaturizedSlot",
                "initial_value": null,
                "auto_fill": true
            },
            "temperature": {
                "type": "rasa.core.slots.UnfeaturizedSlot",
                "initial_value": null,
                "auto_fill": true
            }
        },
        "responses": {
            "utter_greet": [
                {
                    "text": "Hey! How are you?"
                }
            ]
        },
        "actions": [
            "action_tell_weather",
            "utter_greet"
        ],
        "forms": []
    },
    "version": "2.0.0"
}

@gerrycheung can you see this: Rasa Open Source Documentation OR Explore Rasa APIs with Postman | The Rasa Blog | Rasa

I hope this will help you or if you have any further doubt please confirm with me.

@nik202 Thank you. I use rasa run --enable-api --port 5005 to start rasa server, postman works.

I want to see the result, when talk with assistant in rasa shell, postman dosen’t work.