CONCAT

Concatenates (joins together) two arrays.

Syntax 

CONCAT(array1, array2)

Examples 

Example 1

Input

{
  "my_action": {
    "message": [
      "one",
      "two",
      "three"
    ]
  }
}

Formula

CONCAT(my_action.message, ARRAY("four", "five"))

Output

["one","two","three","four","five"]