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

# CheckoutTreeEdgeInput

> Where a step leads, by one of its ports.

**from** `String!` *required*

The step it leaves, or `"trigger"` for the start.

**port** `String!` *required*

`next` from the start; `matching`, `nonMatching` or an edge id from a segment; a treatment id (or, before the split is saved, its name) from a split.

**to** `String!` *required*

The step it leads to.


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