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2/5

reject(): drop blanks as well as nulls

Easy

Return the entries with both nulls and empty text removed.

fn!isnull is not enough here: an empty piece of text is not null, and it has to go too.

Input

  • ri!entries: List of Text

ri! Rule Inputs

ri!entriesList of Text
{
  "a",
  "",
  null,
  "b"
}

Example 1: A blank and a null

Input: ri!entries
{
  "a",
  "",
  null,
  "b"
}
Expected output:
{
  "a",
  "b"
}

Example 2: Nothing worth keeping

Input: ri!entries
{
  "",
  null
}
Expected output:
{}

Example 3: All real entries

Input: ri!entries
{
  "x",
  "y"
}
Expected output:
{
  "x",
  "y"
}

Example 4: Only blanks

Input: ri!entries
{
  "",
  ""
}
Expected output:
{}

Appian Expression Tips

  • • Use ri!variableName for rule inputs
  • • Use a!localVariables(local!x: …, body) for locals
  • • Use a!forEach(items: …, expression: fv!item) to iterate
  • • Use where() / reject(fn!isnull, list) to filter