vrl 0.32.0

Vector Remap Language
Documentation 
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{
  "anchor": "tally_value",
  "name": "tally_value",
  "category": "Enumerate",
  "description": "Counts the number of times a specific value appears in the provided array.",
  "arguments": [
    {
      "name": "array",
      "description": "The array to search through.",
      "required": true,
      "type": [
        "array"
      ]
    },
    {
      "name": "value",
      "description": "The value to count occurrences of in the array.",
      "required": true,
      "type": [
        "any"
      ]
    }
  ],
  "return": {
    "types": [
      "integer"
    ]
  },
  "examples": [
    {
      "title": "count matching values",
      "source": "tally_value([\"foo\", \"bar\", \"foo\", \"baz\"], \"foo\")",
      "return": 2
    }
  ],
  "pure": true
}