Keyword.get_values

You're seeing just the function get_values, go back to Keyword module for more information.
Link to this function

get_values(keywords, key)

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Specs

get_values(t(), key()) :: [value()]

Gets all values for a specific key.

Examples

iex> Keyword.get_values([], :a)
[]
iex> Keyword.get_values([a: 1], :a)
[1]
iex> Keyword.get_values([a: 1, a: 2], :a)
[1, 2]