> ## Documentation Index
> Fetch the complete documentation index at: https://developer.watson-orchestrate.ibm.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Prerequisites and limitations

* Only key-value connection types are supported for Langflow flows.
* You can use Langflow tools on watsonx Orchestrate Developer Edition, IBM Cloud, and AWS. However, you can only import them using ADK.
* The exported Langflow tool name must contain only alphanumeric characters or underscores. It must not start with a number or an underscore.
* Langflow does not support asynchronous execution, so if the Langflow tool takes longer than 120 seconds to respond, the agent returns an error.