Resource Orchestration Service:Fn::Avg

Declaration

• JSON

  {
    "Fn::Avg": [
      ndigits,
      [
        number1,
        number2,
        ...
      ]
    ]
  }

• YAML

  • Syntax for the full function name:

    Fn::Avg:
      - ndigits
      - - number1
        - number2
        - ...

  • Syntax for the short form:

    !Avg [ndigits, [number1, number2, ...]]

Parameters

• ndigits: the number of decimal places to display. The value must be an integer.

• [number1, number2, ...]: the set of elements whose average value you want to calculate. Each element must be a number or a string that can be converted into a number.

Return value

The average value of the set of numbers.

Examples

!Avg [1, [1, 2, 6]]
!Avg [1, [1, 2, 6.0]]

In the preceding examples, 3.0 is returned.

Supported functions

• Fn::GetAtt

• Ref