Mate.Pipeline.replace

You're seeing just the function replace, go back to Mate.Pipeline module for more information.
Link to this function

replace(steps, target, replacement)

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Specs

replace(steps :: steps(), target :: step(), replacement :: step()) :: steps()

Replaces a specific step with a custom step in the given steps

Example:

pipeline.replace(steps, Mate.Step.CleanBuild, CustomStep)