{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "$anchor": "cdm.event.instructioncomposition",
  "type": "object",
  "title": "CompositionStep",
  "description": "Represents a single atomic step in the Instruction Composition lifecycle, including its instructions, status, and optional output. Each CompositionStep is defined by an identifier, a timestamp and a single Instruction.",
  "properties": {
    "identifier": {
      "description": "Identification of the Instruction Composition step.",
      "type": "string"
    },
    "timestamp": {
      "description": "Date and time of the execution of the Instruction Composition step after being executed.",
      "type": "string"
    },
    "compositionStepInstruction": {
      "description": "Set of instructions defining the steps of each Instruction Composition process.",
      "$ref": "cdm-event-instructioncomposition-CompositionStepInstruction.schema.json"
    }
  },
  "required": [
    "compositionStepInstruction"
  ]
}