{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "$id": "https://schema.humancellatlas.org/module/biomaterial/1.1.0/timecourse",
  "description": "Fields to capture timecourse information.",
  "additionalProperties": false,
  "required": [
    "timecourse_value",
    "timecourse_unit"
  ],
  "title": "timecourse",
  "type": "object",
  "properties": {
    "describedBy": {
      "description": "The URL reference to the schema.",
      "type": "string",
      "pattern": "^(http|https)://schema.(.*?)humancellatlas.org/module/biomaterial/(([0-9]{1,}.[0-9]{1,}.[0-9]{1,})|([a-zA-Z]*?))/timecourse"
    },
    "schema_version": {
      "description": "The version number of the schema in major.minor.patch format.",
      "type": "string",
      "pattern": "^[0-9]{1,}.[0-9]{1,}.[0-9]{1,}$",
      "example": "4.6.1"
    },
    "timecourse_value": {
      "description": "The numerical value associated with a time interval used in the experiment.",
      "pattern": "^[0-9]+\\.?[0-9]*-?[0-9]*\\.?[0-9]*$",
      "type": "string",
      "example": "2",
      "user-friendly": "Timecourse value"
    },
    "timecourse_unit": {
      "description": "The unit in which the timecourse value is expressed.",
      "type": "object",
      "$ref": "https://schema.humancellatlas.org/module/ontology/5.3.0/time_unit_ontology",
      "example": "day",
      "user-friendly": "Timecourse unit"
    },
    "timecourse_relevance": {
      "description": "The relevance of the timecourse value/unit to the experiment.",
      "type": "string",
      "example": "Collection after tumor cells injected into the mammary gland.",
      "user-friendly": "Timecourse relevance"
    }
  }
}