Add a Custom Prompt
Prerequisites
Integrate a pre-built or custom LLM before creating a prompt. See LLM Integration.Steps
- Go to Generative AI Tools > Prompts Library.
- Click + New Prompt (top right).
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Enter the Prompt Name, then select the Feature and Model.
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The Configuration section (endpoint URL, auth, headers) is auto-populated from the model integration and is read-only.
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In the Request section, create a prompt or import an existing one.
To import an existing prompt:.png?fit=max&auto=format&n=p0ZZ6JYe_at1gZSG&q=85&s=4689fa136dc53057b0b37a80e5bcd5d5)
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Click Import from Prompts and Requests Library.

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Select the Feature, Model, and Prompt. Hover and click Preview Prompt to review before importing.
You can interchange prompts between features.
- Click Confirm to import the prompt into the JSON body.
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Click Import from Prompts and Requests Library.
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(Optional) Toggle Stream Response to enable streaming. Responses are sent incrementally in real time instead of waiting for the full response.

- Add
"stream": trueto the custom prompt when streaming is enabled. The saved prompt displays a “streaming” tag. - Enabling streaming disables the “Exit Scenario” field. Streaming applies only to Agent Node and Prompt Node features using OpenAI and Azure OpenAI models.
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Fill in the Sample Context Values and click Test. If successful, the LLM response is displayed; otherwise an error appears. See Dynamic Variables
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Map the response key: In the JSON response, double-click the key that holds the relevant information (for example,
content). The Platform generates a Response Path for that location. Click Save.
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Click Lookup Path to validate the path.

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Review the Actual Response and Expected Response:
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Green (match): Click Save. Skip to step 12.
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Red (mismatch): Click Configure to open the Post Processor Script editor.
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Enter the Post Processor Script and click Save & Test.
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Verify the result, then click Save. The responses turn green.
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Enter the Post Processor Script and click Save & Test.
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Green (match): Click Save. Skip to step 12.
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(Optional) If Token Usage Limits are enabled for your custom model, map the token keys for accurate tracking:
- Request Tokens key:
usage.input_tokens - Response Tokens key:
usage.output_tokens
Without this mapping, the Platform can’t calculate token consumption, which may lead to untracked usage and unexpected costs. - Request Tokens key:
- Click Save. The prompt appears in the Prompts Library.