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Pathway Tool#

The Pathway Tool node is a tool that allows an agent to run another Ensemble Pathway and fetch its output data.

On this page, you'll find the node parameters for the Pathway Tool node, and links to more resources.

Node parameters#

Name#

Give your custom code a name. It can't contain whitespace.

Description#

Give your custom code a description. This tells the agent when to use this tool. For example:

Call this tool to get a random color. The input should be a string with comma separated names of colors to exclude.

Source#

Tell Ensemble which Pathway to call. You can choose either:

  • Database, then enter a Pathway ID.
  • Parameter, then copy in a complete Pathway JSON.

Response Property Name#

This must match the name of the output property in the Pathway you're calling.

Pathway Values#

Set values to pass to the Pathway you're calling.

Node reference#

Parameter resolution in sub-nodes

Sub-nodes behave differently to other nodes when processing multiple items using an expression.

Most nodes, including root nodes, take any number of items as input, process these items, and output the results. You can use expressions to refer to input items, and the node resolves the expression for each item in turn. For example, given an input of five name values, the expression {{ $json.name }} resolves to each name in turn.

In sub-nodes, the expression always resolves to the first item. For example, given an input of five name values, the expression {{ $json.name }} always resolves to the first name.

Refer to LangChain's documentation on tools for more information about tools in LangChain.

View Ensemble's LangChain documentation.