Describe the problem/error/question
I’m trying to use the Chat Trigger node with Load Previous Session = Manually.
When the chat widget first loads, it sends:
{
"action": "loadPreviousSession",
"sessionId": "b4a7310f-69e3-43d8-85aa-caf845ca740c",
"metadata": {
"sessionId": "atlas_1758029186304_rt4srhmuh"
}
}
My workflow retrieves past conversation from memory and I transform it like this:
{
"previousSession": [
{ "role": "user", "text": "hello" },
{ "role": "assistant", "text": "Hi, how can I help you today?" },
{ "role": "user", "text": "what is 2+2?" },
{ "role": "assistant", "text": "The answer is 4." }
]
}
But the chat widget does not render this conversation on the front-end.
I could not find any documentation showing the exact response format expected when loadPreviousSession is set to manually.
:backhand_index_pointing_right: My question:
What is the exact JSON structure I need to return so that the chat widget displays the previous conversation?
What is the error message (if any)?
There is no explicit error. The widget simply does not show the history.
