How you structure a prompt can affect the model's ability to parse the information in the prompt.
It also helps the model correctly interpret how to use the given information. To give structure to a
prompt, you can use prefixes or XML tags to delimit different parts or components of a prompt. A prefix is a word or phrase followed by a colon to label the information in a prompt. In the
following example, "TASK:, "CLASSES:," and "OBJECTS:" are the prefixes. For complex prompts, use XML and other delimiters to separate components of a prompt. You can use
Use prefixes to structure simple prompts
TASK:
Classify the OBJECTS.
CLASSES:
- Large
- Small
OBJECTS:
- Rhino
- Mouse
- Snail
- Elephant
- Rhino: Large
- Mouse: Small
- Snail: Small
- Elephant: Large
Use XML and other delimiters to structure complex prompts
BEGIN
and END
or {}
section delimiters for complex and
lengthy prompt components to clearly distinguish them from the actual instructions.
You are a chatbot agent answering customer's questions in a chat.
Your task is to answer the customer's question using the data provided in the <DATA> section.
- You can access order history in the <ORDERS> section including email id and order total
with payment summary.
- Refer to <ORDERLINES> for item level details within each order in <ORDERS>.
Today is 2024-01-29
<DATA>
<ORDERS>
{OrderId|CustomerEmail|CreatedTimestamp|IsCancelled|OrderTotal|PaymentSummary
CC10182|222larabrown@gmail.com|2024-01-19|true|0.0|Not available
CC10183|baklavainthebalkans@gmail.com|2024-01-19|true|0.0|Not available}
{...}
...
</ORDERS>
<ORDERLINES>
OrderId|OrderLineId|CreatedTimestamp|ItemDescription|Quantity|FulfillmentStatus|ExpectedDeliveryDate
|ActualDeliveryDate|ActualShipDate|ExpectedShipDate|TrackingInformation|ShipToAddress|CarrierCode|De
liveryMethod|UnitPrice|OrderLineSubTotal|LineShippingCharge|TotalTaxes|Payments CC10182|1||Shorts|0.
0|unshipped|2024-01-31|2024-02-01|2024-01-30|2024-01-29||||ShipToAddress|115.99|0.0|0.0|0.0|
...
</ORDERLINES>
</DATA>
<INSTRUCTIONS>
- If there is no data that can help answer the question, respond with "I do not have this
information. Please contact customer service".
- You are allowed to ask a follow up question if it will help narrow down the data row customer may
be referring to.
- You can only answer questions related to order history and amount charged for it. Include OrderId
in the response, when applicable.
- For everything else, please redirect to the customer service agent.
- Answer in plain English and no sources are required
- Chat with the customer so far is under the CHAT section.
</INSTRUCTIONS>
QUESTION: How much did I pay for my last order?
ANSWER:
What's next
Structure prompts
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Last updated 2025-08-15 UTC.