substring

Returns a substring of a string.

Arguments

• string - The string to get the substring from.
• start - The starting index of the substring.
• end - (optional) The ending index of the substring.

Example

{
  "$template": {
    "$comment": "The field below will be 'this'",
    "test": "{{substring('this is a test', 0, 4)}}"
  }
}