{
  "id": "bbg-p0284-concurrency-runtime-and-scheduling-concurrency",
  "title": "Cron Schedule Expression Map",
  "chapter": "concurrency-runtime-and-scheduling",
  "batch": "31",
  "rank": 310,
  "sourcePage": 284,
  "sourcePointer": "p. 284",
  "status": "accepted",
  "reviewerStatus": "reviewed",
  "fidelityScore": 0.9,
  "canvas": {
    "width": 960,
    "height": 640
  },
  "fireworksTechGraph": {
    "style": "style-1-flat-icon",
    "diagramType": "flowchart",
    "topologyNotes": [
      "source page render inspected",
      "extracted page text inspected",
      "source page render inspected",
      "preserve cron cheatsheet structure: five expression fields, special strings, examples, and special characters",
      "omit source examples that are too long and source branding"
    ],
    "publicBoundary": [
      "original vector output",
      "no source pixels",
      "no source mark or long wording"
    ]
  },
  "callouts": [],
  "sourceReview": {
    "conceptAnchors": [
      "concept: minute hour day month weekday fields",
      "concept: special strings",
      "concept: recurring command examples",
      "concept: wildcard comma range step question syntax"
    ],
    "labelSource": "curated",
    "semanticStatus": "reviewed"
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  "groups": [
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      "id": "format",
      "label": "Cron format",
      "x": 58,
      "y": 126,
      "w": 340,
      "h": 318
    },
    {
      "id": "shortcuts",
      "label": "Special strings",
      "x": 440,
      "y": 126,
      "w": 194,
      "h": 318
    },
    {
      "id": "chars",
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      "y": 126,
      "w": 226,
      "h": 318
    }
  ],
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      "id": "minute",
      "kind": "rect",
      "label": "Minute",
      "detail": "0-59",
      "x": 108,
      "y": 164,
      "w": 108,
      "h": 44,
      "tone": "blue"
    },
    {
      "id": "hour",
      "kind": "rect",
      "label": "Hour",
      "detail": "0-23",
      "x": 238,
      "y": 164,
      "w": 108,
      "h": 44,
      "tone": "blue"
    },
    {
      "id": "day",
      "kind": "rect",
      "label": "Day",
      "detail": "1-31",
      "x": 108,
      "y": 244,
      "w": 108,
      "h": 44,
      "tone": "green"
    },
    {
      "id": "month",
      "kind": "rect",
      "label": "Month",
      "detail": "1-12",
      "x": 238,
      "y": 244,
      "w": 108,
      "h": 44,
      "tone": "green"
    },
    {
      "id": "weekday",
      "kind": "rect",
      "label": "Weekday",
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      "x": 174,
      "y": 324,
      "w": 108,
      "h": 44,
      "tone": "teal"
    },
    {
      "id": "command",
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      "label": "Command",
      "detail": "script",
      "x": 174,
      "y": 394,
      "w": 108,
      "h": 44,
      "tone": "gray"
    },
    {
      "id": "hourly",
      "kind": "rect",
      "label": "@hourly",
      "detail": "every hour",
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      "y": 174,
      "w": 108,
      "h": 44,
      "tone": "purple"
    },
    {
      "id": "daily",
      "kind": "rect",
      "label": "@daily",
      "detail": "midnight",
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      "y": 254,
      "w": 108,
      "h": 44,
      "tone": "purple"
    },
    {
      "id": "monthly",
      "kind": "rect",
      "label": "@monthly",
      "detail": "first day",
      "x": 482,
      "y": 334,
      "w": 108,
      "h": 44,
      "tone": "purple"
    },
    {
      "id": "syntax",
      "kind": "table",
      "label": "Syntax",
      "detail": "* , - / ?",
      "x": 720,
      "y": 172,
      "w": 124,
      "h": 78,
      "tone": "orange"
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      "w": 124,
      "h": 58,
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    }
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      "from": "minute",
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    {
      "from": "hour",
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      "label": "field",
      "flow": "main"
    },
    {
      "from": "day",
      "to": "month",
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      "flow": "main"
    },
    {
      "from": "month",
      "to": "weekday",
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      "flow": "main"
    },
    {
      "from": "weekday",
      "to": "command",
      "label": "run",
      "flow": "control"
    },
    {
      "from": "hourly",
      "to": "command",
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    {
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      "to": "examples",
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      "flow": "data"
    },
    {
      "from": "examples",
      "to": "command",
      "label": "schedule",
      "flow": "control"
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  ]
}