{
  "node": {
    "id": "block:native-action-submodel",
    "type": "Block",
    "label": "Conditional action kernel",
    "properties": {
      "id": "native-action-submodel",
      "name": "Conditional action kernel",
      "kind": "studio",
      "summary": "Executes a child on a true action flag and holds its state and output on inactive samples.",
      "behavior": "Executes a child on a true action flag and holds its state and output on inactive samples. Outputs are held between accepted samples; numerical evaluation does not commit hidden state.",
      "ports": [
        {
          "name": "in0",
          "direction": "input",
          "unit": "—",
          "description": "Value; real scalar."
        },
        {
          "name": "in1",
          "direction": "input",
          "unit": "—",
          "description": "Action; bool scalar."
        },
        {
          "name": "out0",
          "direction": "output",
          "unit": "—",
          "description": "Biased value; real scalar."
        },
        {
          "name": "out1",
          "direction": "output",
          "unit": "—",
          "description": "Invocations this sample; u32 scalar."
        }
      ],
      "parameters": [
        {
          "key": "sampleTimeS",
          "label": "Sample period",
          "unit": "s",
          "default": 1,
          "min": 0,
          "description": "Positive interval between accepted control samples. Outputs hold between these instants."
        },
        {
          "key": "nested",
          "label": "Child operation",
          "unit": "—",
          "default": "Bias",
          "description": "One configurable native computation operation. Its declared input/output types must match the wrapper."
        },
        {
          "key": "tables[0]",
          "label": "Initial held outputs",
          "unit": "—",
          "default": [
            0
          ],
          "description": "Initial values for all child output lanes, in output order. For independent elements, supply one value per element."
        }
      ],
      "equations": [
        "action = true: (state, output) ← child(state, input)",
        "action = false: retain state and output"
      ],
      "example": {
        "title": "Conditional action kernel worked example",
        "text": "Default editable example at the first accepted sample (t = 0 s). Child operation: bias. The output checks below are execution oracles for this example.",
        "url": "https://design.lemonergy.com/cosim.html?example=block-native-action-submodel",
        "label": "Open Studio example",
        "inputs": [
          {
            "port": "in0",
            "label": "Value",
            "value": 2,
            "unit": "—"
          },
          {
            "port": "in1",
            "label": "Action",
            "value": 1,
            "unit": "—"
          }
        ],
        "checks": [
          {
            "port": "out0",
            "label": "Biased value",
            "atS": 0,
            "value": 3,
            "unit": "—",
            "tolerance": 1e-08
          },
          {
            "port": "out1",
            "label": "Invocations this sample",
            "atS": 0,
            "value": 1,
            "unit": "—",
            "tolerance": 1e-08
          }
        ]
      },
      "limits": [
        "Control executes on an explicit sampled clock. Continuous states, history/delay kernels, residual equations, and event-source children are not supported.",
        "The wrapper contains one original computation operation; arbitrary multi-block submodels are not supported.",
        "A sampled child advances once per invocation using its own declared period. Repeated calls share the same outer timestamp and do not advance physical time.",
        "A Boolean action flag controls one child. This is not an arbitrary multi-block action subsystem."
      ],
      "references": [
        "control-statecharts"
      ],
      "availability": {
        "status": "released",
        "label": "Available in Lemonergy Studio",
        "detail": "The bundled example is available in the production release verified on 28 October 2026. The parameters and examples here are synthetic teaching fixtures, not a characterized cell or a validated operating limit."
      },
      "evidence": [
        "docs/glossary/native-block-verification.json"
      ],
      "sourceRepository": "Lemonergy Studio public contract",
      "sourceRevision": "verification-2026-10-27",
      "caseIds": [
        "native-native-action-submodel"
      ],
      "exampleTraces": [
        {
          "id": "native-action-submodel",
          "url": "https://lemonergy.com/learn/glossary/api/traces/native-action-submodel.json?v=08371d2a7142",
          "title": "Conditional action kernel recorded example",
          "exampleId": "block-native-action-submodel",
          "source": "Executed synthetic Lemonergy Studio example",
          "recordedOn": "2026-10-28",
          "points": 3,
          "channels": 2,
          "omittedChannels": 0,
          "interpolation": "step",
          "solver": {
            "method": "dormand-prince-45",
            "reason": "no-continuous-states"
          }
        }
      ],
      "type": "native-action-submodel",
      "implementationId": "native-action-submodel",
      "url": "https://lemonergy.com/learn/glossary/blocks/native-action-submodel/",
      "documentationUrl": "https://lemonergy.com/learn/glossary/blocks/native-action-submodel/",
      "sourceFile": "block-library.json",
      "reviewed": "2026-10-27",
      "releaseEvidence": {
        "environment": "production",
        "status": "verified",
        "revision": "e76cadfc203e15eb41f3478d8b1044a5b851953d",
        "verifiedOn": "2026-10-28",
        "exampleUrls": [
          "https://design.lemonergy.com/cosim.html?example=block-native-action-submodel"
        ]
      }
    }
  },
  "incoming": [
    {
      "id": "edge:usesBlock/native-native-action-submodel/0",
      "type": "usesBlock",
      "source": "workflow:native-native-action-submodel",
      "target": "block:native-action-submodel",
      "properties": {
        "sourceFile": "wiki-blocks.json",
        "position": 0,
        "name": "Conditional action kernel",
        "type": "native-action-submodel",
        "role": "Executes a child on a true action flag and holds its state and output on inactive samples. Outputs are held between accepted samples; numerical evaluation does not commit hidden state.",
        "settings": [
          "Use the block reference for settings and connections.",
          "Bundled example verified on the production release of 28 October 2026."
        ]
      }
    }
  ],
  "outgoing": [
    {
      "id": "edge:cites/block:native-action-submodel/reference:control-statecharts",
      "type": "cites",
      "source": "block:native-action-submodel",
      "target": "reference:control-statecharts",
      "properties": {
        "sourceFile": "block-library.json",
        "scope": "Scientific or mathematical background; implementation scope is stated by the block contract"
      }
    }
  ],
  "neighbors": [
    {
      "id": "workflow:native-native-action-submodel",
      "type": "Workflow",
      "label": "Conditional action kernel worked example",
      "properties": {
        "id": "native-native-action-submodel",
        "title": "Conditional action kernel worked example",
        "kind": "studio",
        "summary": "Executes a child on a true action flag and holds its state and output on inactive samples.",
        "steps": [
          "Review the interface, units and model limits.",
          "Open the Studio example and run its bundled model.",
          "Compare outputs with the numerical checks; change one input and run again."
        ],
        "example": "Default editable example at the first accepted sample (t = 0 s). Child operation: bias. The output checks below are execution oracles for this example.",
        "observe": "Inspect the output channels and checks on the block reference page.",
        "limits": "Control executes on an explicit sampled clock. Continuous states, history/delay kernels, residual equations, and event-source children are not supported. The wrapper contains one original computation operation; arbitrary multi-block submodels are not supported. A sampled child advances once per invocation using its own declared period. Repeated calls share the same outer timestamp and do not advance physical time. A Boolean action flag controls one child. This is not an arbitrary multi-block action subsystem.",
        "url": "https://design.lemonergy.com/cosim.html?example=block-native-action-submodel",
        "label": "Open Studio example",
        "evidence": [
          "docs/glossary/native-block-verification.json"
        ]
      }
    },
    {
      "id": "reference:control-statecharts",
      "type": "Reference",
      "label": "Statecharts: A visual formalism for complex systems",
      "properties": {
        "title": "Statecharts: A visual formalism for complex systems",
        "authors": [
          "David Harel"
        ],
        "year": 1987,
        "doi": "10.1016/0167-6423(87)90035-9",
        "url": "https://www.weizmann.ac.il/math/harel/sites/math.harel/files/users/user50/Statecharts.pdf",
        "type": "Research article",
        "scope": "Background on explicit states and events. Lemonergy bounded control blocks are not a complete Statecharts implementation.",
        "accessed": "2026-10-27",
        "publisher": "Science of Computer Programming, 8(3), 231–274"
      }
    }
  ]
}