Which of the following is the correct way to create a ChatPromptTemplate with a user input placeholder named 'name'?

easy📝 Syntax Q12 of 15

LangChain - Prompt Templates

Which of the following is the correct way to create a ChatPromptTemplate with a user input placeholder named 'name'?

AChatPromptTemplate.from_template('Hello {name}!')

BChatPromptTemplate('Hello $name!')

CChatPromptTemplate.create('Hello {{name}}!')

DChatPromptTemplate.new('Hello %name%!')

Step-by-Step Solution

Solution:

Step 1: Recall correct placeholder syntax
Langchain uses curly braces {name} inside from_template method to define placeholders.
Step 2: Check method and syntax correctness
Only ChatPromptTemplate.from_template('Hello {name}!') uses from_template and correct {name} placeholder syntax.
Final Answer:
ChatPromptTemplate.from_template('Hello {name}!') -> Option A
Quick Check:
Use from_template with {placeholder} [OK]

Quick Trick: Use from_template and {placeholder} syntax [OK]

Common Mistakes:

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