Task

Task schema from Microsoft Project Online REST API

BudgetingGantt ChartsMicrosoftPortfolio ManagementProject ManagementResource ManagementSchedulingTask Management

Properties

Name	Type	Description
Id	string	Unique identifier of the task
Name	string	Name of the task
Start	string	Task start date
Finish	string	Task finish date
Duration	string	Task duration in days
PercentComplete	integer	Task completion percentage
IsSummary	boolean	Whether this is a summary task
IsMilestone	boolean	Whether this is a milestone
Priority	integer	Task priority (0-1000)
ParentId	string	Parent task ID for subtasks
Notes	string	Task notes
IsManuallyScheduled	boolean	Whether the task is manually scheduled
ConstraintType	integer	Scheduling constraint type
ConstraintStartEnd	string	Constraint date
Work	string	Total scheduled work
RemainingWork	string	Remaining work
ActualWork	string	Actual work completed
Cost	number	Total cost

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/microsoft-project/refs/heads/main/json-schema/rest-api-task-schema.json",
  "title": "Task",
  "description": "Task schema from Microsoft Project Online REST API",
  "type": "object",
  "properties": {
    "Id": {
      "type": "string",
      "format": "uuid",
      "description": "Unique identifier of the task"
    },
    "Name": {
      "type": "string",
      "description": "Name of the task"
    },
    "Start": {
      "type": "string",
      "format": "date-time",
      "description": "Task start date"
    },
    "Finish": {
      "type": "string",
      "format": "date-time",
      "description": "Task finish date"
    },
    "Duration": {
      "type": "string",
      "description": "Task duration in days"
    },
    "PercentComplete": {
      "type": "integer",
      "description": "Task completion percentage"
    },
    "IsSummary": {
      "type": "boolean",
      "description": "Whether this is a summary task"
    },
    "IsMilestone": {
      "type": "boolean",
      "description": "Whether this is a milestone"
    },
    "Priority": {
      "type": "integer",
      "description": "Task priority (0-1000)"
    },
    "ParentId": {
      "type": "string",
      "format": "uuid",
      "description": "Parent task ID for subtasks"
    },
    "Notes": {
      "type": "string",
      "description": "Task notes"
    },
    "IsManuallyScheduled": {
      "type": "boolean",
      "description": "Whether the task is manually scheduled"
    },
    "ConstraintType": {
      "type": "integer",
      "description": "Scheduling constraint type"
    },
    "ConstraintStartEnd": {
      "type": "string",
      "format": "date-time",
      "description": "Constraint date"
    },
    "Work": {
      "type": "string",
      "description": "Total scheduled work"
    },
    "RemainingWork": {
      "type": "string",
      "description": "Remaining work"
    },
    "ActualWork": {
      "type": "string",
      "description": "Actual work completed"
    },
    "Cost": {
      "type": "number",
      "format": "double",
      "description": "Total cost"
    }
  }
}