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Docs: Updated callbacks/index.mdx (#16404)

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The callbacks get started demo code was updated , replacing the
chain.run() command ( which is now depricated) ,with the updated
chain.invoke() command.
Solving the following issue : #16379
Twitter/X : @Hazxhx
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Sarthak Chaure 2024-01-23 02:40:19 +05:30 committed by GitHub
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docs/docs/modules/callbacks/index.mdx
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@ -95,42 +95,40 @@ prompt = PromptTemplate.from_template("1 + {number} = ")
# Constructor callback: First, let's explicitly set the StdOutCallbackHandler when initializing our chain
chain = LLMChain(llm=llm, prompt=prompt, callbacks=[handler])
chain.run(number=2)
chain.invoke({"number":2})
# Use verbose flag: Then, let's use the `verbose` flag to achieve the same result
chain = LLMChain(llm=llm, prompt=prompt, verbose=True)
chain.run(number=2)
chain.invoke({"number":2})
# Request callbacks: Finally, let's use the request `callbacks` to achieve the same result
chain = LLMChain(llm=llm, prompt=prompt)
chain.run(number=2, callbacks=[handler])
chain.invoke({"number":2}, {"callbacks":[handler]})
```
<CodeOutputBlock lang="python">
```
> Entering new LLMChain chain...
Prompt after formatting:
1 + 2 =
> Entering new LLMChain chain...
Prompt after formatting:
1 + 2 =
> Finished chain.
> Finished chain.
> Entering new LLMChain chain...
Prompt after formatting:
1 + 2 =
> Entering new LLMChain chain...
Prompt after formatting:
1 + 2 =
> Finished chain.
> Finished chain.
> Entering new LLMChain chain...
Prompt after formatting:
1 + 2 =
> Entering new LLMChain chain...
Prompt after formatting:
1 + 2 =
> Finished chain.
'\n\n3'
> Finished chain.
```
</CodeOutputBlock>