Basic LLM Chain not triggered by privious node w/text input

[Morris_Lu]

Describe the problem/error/question

Basic LLM Chain not triggered by privious node w/text input

What is the error message (if any)?

no error

Please share your workflow

(Select the nodes on your canvas and use the keyboard shortcuts CMD+C/CTRL+C and CMD+V/CTRL+V to copy and paste the workflow.)

Share the output returned by the last node

Basic LLM Chain can be triggered.

Information on your n8n setup

• **n8n version:**1.45.1
• **Database (default: SQLite):**default: SQLite
• n8n EXECUTIONS_PROCESS setting (default: own, main):
• **Running n8n via (Docker, npm, n8n cloud, desktop app):**Docker
• **Operating system:**Linux

hi all, i am newbie here need you help!!!
Why Basic LLM cannot execute automatically when previous node pass text. like screenshoot shown. BUT it works when click manullay ?? any hints thanks millions.

[Derek_Cheung]

Hi Morris,

Welcome to the community.

I’m noticing in the screen shot that you don’t have your webhook workflow activated.

If you look at the executions tab for your workflow, does it show the webhook being called?

Derek

[Morris_Lu]

work around solution found.

previous node pass json.text string to llm(prompt: define below) is not working properly (no any trigger)

we make a code node to changet the json.text string to json.chatInput and make the option to “take from … automatically” works now. the LLM node triggered by code node.

DONT KNOW WHY!! but it works now.