Return value

Returns a value from this block to the caller. Use to pass results to another blueprint.

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Overview

The Return value block allows you to chain multiple steps together to perform certain actions, and return a single value at the end of the chain. You can use it in the following scenarios:

• To return a value in tool calling
• To return a value when a blueprint is invoked with the Run blueprint block

It passes the value specified in the Value field at the end of a chain of blocks.

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Return a value in tool calling

When an Tool calling block decides to run a tool, the tool can include any number of blocks and return a final value to the Tool calling block. Use the Return value block to define what the final return value is.

If you do not use the Return value block, the tool call executes the blocks that follow it but doesn’t return a value to the Tool calling block.

In the example above, the two Return value blocks provide the values of the “Call shipping API” block and the “Call order status API” HTTP Request blocks to the Tool calling block.

Without the Return value blocks, the “Call shipping API” and “Call order status API” blocks would execute, but their results would not be returned to the Tool calling block.

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Return a value from a blueprint

Use the Return value block to pass results to another blueprint.

In the example above, the Return value block follows the Text generation block. It sets the results from the text generation block as the final return value of the blueprint. The blueprint passes this value when it is invoked with the Run blueprint block.

Without the Return value block, the blueprint would run and the Text generation block would execute, but its result would not be returned to the block that ran the blueprint.

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Fields

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End states

Below are the possible end states of the block call.