template/README.md

# Prompt Template

<br />



## Desription

Prompt Template.


<br />



## Code Example

### Example


```python

from towhee import ops, pipe
import requests

towhee_docs = requests.get('https://raw.githubusercontent.com/towhee-io/towhee/main/README.md').content

temp = """{question}

input:
{context}
"""

sys_message = """Your name is TowheeChat."""

p = (
    pipe.input('question', 'doc', 'history')
    .map('doc', 'doc', lambda x: x[:2000])
    .map(('question', 'doc', 'history'), 'prompt', ops.prompt.template(temp, ['question', 'context'], sys_message))
    .map('prompt', 'answer', ops.LLM.OpenAI())
    .output('answer')
)

an1 = p('What is your name?', [], []).get()[0]
print(an1)

an2 = p('Tell me something about Towhee', towhee_docs, []).get()[0]
print(an2)

an3 = p('How to use it', towhee_docs, [('Tell me something about Towhee', an2)]).get()[0]
print(an3)
```

## Factory Constructor

Create the operator via the following factory method:

***ops.prompt.template(temp, keys, sys_msg)***

**Parameters:**

***temp***: *str*

​	A template to create a prompt as the last user message.

***keys***: *list*

​	A list of keys used in template.

***sys_msg***: *str=None*

​	A system message, defaults to None. If None, it will not pass any system message.

<br />


**Returns:** *List[Dict]*