fn::join

The fn::join built-in function joins the elements of a list of strings using a given delimiter. If any input to fn::join is a secret, the result is also a secret.

Declaration

fn::join: [ delimiter, values ]

Parameters

Returns

The elements of values joined by delimiter.

Example

Definition

values:
  list-of-strings:
    - one
    - two
    - three
  joined:
    fn::join: [ ", ", ${list-of-strings} ]

Evaluated result

{
  "list-of-strings": [
    "one",
    "two",
    "three"
  ],
  "joined": "one, two, three"
}