{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://developer.clickup.com/schemas/clickup/task.json",
  "title": "ClickUp Task",
  "description": "A task object representing a unit of work in ClickUp. Tasks are the core entity in ClickUp and contain information about assignees, status, priority, due dates, custom fields, time tracking, and more.",
  "type": "object",
  "required": ["id", "name", "status"],
  "properties": {
    "id": {
      "type": "string",
      "description": "The unique identifier of the task."
    },
    "custom_id": {
      "type": ["string", "null"],
      "description": "The custom task ID if enabled for the Workspace."
    },
    "name": {
      "type": "string",
      "description": "The name of the task.",
      "minLength": 1
    },
    "text_content": {
      "type": ["string", "null"],
      "description": "The plain text content of the task description."
    },
    "description": {
      "type": ["string", "null"],
      "description": "The task description in rich text format."
    },
    "markdown_description": {
      "type": ["string", "null"],
      "description": "The task description in Markdown format."
    },
    "status": {
      "$ref": "#/$defs/Status"
    },
    "orderindex": {
      "type": "string",
      "description": "The order index of the task within its list."
    },
    "date_created": {
      "type": "string",
      "description": "Unix timestamp in milliseconds when the task was created.",
      "pattern": "^[0-9]+$"
    },
    "date_updated": {
      "type": "string",
      "description": "Unix timestamp in milliseconds when the task was last updated.",
      "pattern": "^[0-9]+$"
    },
    "date_closed": {
      "type": ["string", "null"],
      "description": "Unix timestamp in milliseconds when the task was closed."
    },
    "date_done": {
      "type": ["string", "null"],
      "description": "Unix timestamp in milliseconds when the task was marked done."
    },
    "archived": {
      "type": "boolean",
      "description": "Whether the task is archived."
    },
    "creator": {
      "$ref": "#/$defs/User"
    },
    "assignees": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/User"
      },
      "description": "The users assigned to the task."
    },
    "watchers": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/User"
      },
      "description": "The users watching the task."
    },
    "checklists": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/Checklist"
      },
      "description": "Checklists attached to the task."
    },
    "tags": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/Tag"
      },
      "description": "Tags applied to the task."
    },
    "parent": {
      "type": ["string", "null"],
      "description": "The ID of the parent task if this is a subtask."
    },
    "priority": {
      "$ref": "#/$defs/Priority"
    },
    "due_date": {
      "type": ["string", "null"],
      "description": "Unix timestamp in milliseconds for the due date."
    },
    "start_date": {
      "type": ["string", "null"],
      "description": "Unix timestamp in milliseconds for the start date."
    },
    "points": {
      "type": ["number", "null"],
      "description": "Sprint points assigned to the task.",
      "minimum": 0
    },
    "time_estimate": {
      "type": ["integer", "null"],
      "description": "Time estimate in milliseconds.",
      "minimum": 0
    },
    "time_spent": {
      "type": "integer",
      "description": "Total time tracked on the task in milliseconds.",
      "minimum": 0
    },
    "custom_fields": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/CustomFieldValue"
      },
      "description": "Custom field values set on the task."
    },
    "dependencies": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/Dependency"
      },
      "description": "Task dependencies."
    },
    "linked_tasks": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/LinkedTask"
      },
      "description": "Tasks linked to this task."
    },
    "team_id": {
      "type": "string",
      "description": "The Workspace ID the task belongs to."
    },
    "url": {
      "type": "string",
      "format": "uri",
      "description": "The URL to the task in the ClickUp web application."
    },
    "list": {
      "$ref": "#/$defs/ListReference"
    },
    "project": {
      "$ref": "#/$defs/FolderReference"
    },
    "folder": {
      "$ref": "#/$defs/FolderReference"
    },
    "space": {
      "type": "object",
      "properties": {
        "id": {
          "type": "string",
          "description": "The space ID."
        }
      },
      "description": "The space the task belongs to."
    }
  },
  "$defs": {
    "Status": {
      "type": "object",
      "description": "A task status indicating the current state of work.",
      "properties": {
        "id": {
          "type": "string",
          "description": "The status ID."
        },
        "status": {
          "type": "string",
          "description": "The status name."
        },
        "color": {
          "type": "string",
          "description": "The hex color code of the status.",
          "pattern": "^#[0-9a-fA-F]{6}$"
        },
        "orderindex": {
          "type": "integer",
          "description": "The order index of the status.",
          "minimum": 0
        },
        "type": {
          "type": "string",
          "enum": ["open", "custom", "closed", "done"],
          "description": "The status type category."
        }
      },
      "required": ["status", "type"]
    },
    "User": {
      "type": "object",
      "description": "A ClickUp user.",
      "properties": {
        "id": {
          "type": "integer",
          "description": "The unique identifier of the user."
        },
        "username": {
          "type": "string",
          "description": "The display name of the user."
        },
        "email": {
          "type": "string",
          "format": "email",
          "description": "The email address of the user."
        },
        "color": {
          "type": "string",
          "description": "The hex color code associated with the user."
        },
        "profilePicture": {
          "type": ["string", "null"],
          "format": "uri",
          "description": "URL of the user's profile picture."
        },
        "initials": {
          "type": "string",
          "description": "The initials of the user.",
          "maxLength": 3
        }
      },
      "required": ["id", "username"]
    },
    "Tag": {
      "type": "object",
      "description": "A tag applied to a task.",
      "properties": {
        "name": {
          "type": "string",
          "description": "The name of the tag."
        },
        "tag_fg": {
          "type": "string",
          "description": "Foreground color of the tag."
        },
        "tag_bg": {
          "type": "string",
          "description": "Background color of the tag."
        },
        "creator": {
          "type": "integer",
          "description": "The user ID of the tag creator."
        }
      },
      "required": ["name"]
    },
    "Priority": {
      "type": ["object", "null"],
      "description": "Task priority level.",
      "properties": {
        "id": {
          "type": "string",
          "description": "The priority ID."
        },
        "priority": {
          "type": "string",
          "enum": ["urgent", "high", "normal", "low"],
          "description": "The priority level name."
        },
        "color": {
          "type": "string",
          "description": "The hex color code of the priority level."
        },
        "orderindex": {
          "type": "string",
          "description": "The order index of the priority."
        }
      }
    },
    "CustomFieldValue": {
      "type": "object",
      "description": "A custom field value on a task.",
      "properties": {
        "id": {
          "type": "string",
          "description": "The custom field ID."
        },
        "name": {
          "type": "string",
          "description": "The custom field name."
        },
        "type": {
          "type": "string",
          "enum": [
            "url", "drop_down", "email", "phone", "date", "text",
            "checkbox", "number", "currency", "tasks", "users",
            "emoji", "label", "automatic_progress", "manual_progress",
            "short_text", "location"
          ],
          "description": "The type of the custom field."
        },
        "type_config": {
          "type": "object",
          "description": "Configuration specific to the custom field type."
        },
        "date_created": {
          "type": "string",
          "description": "Unix timestamp when the custom field was created."
        },
        "hide_from_guests": {
          "type": "boolean",
          "description": "Whether the field is hidden from guests."
        },
        "value": {
          "description": "The current value of the custom field. Type varies by field type."
        },
        "required": {
          "type": "boolean",
          "description": "Whether the custom field is required."
        }
      },
      "required": ["id", "name", "type"]
    },
    "Checklist": {
      "type": "object",
      "description": "A checklist attached to a task.",
      "properties": {
        "id": {
          "type": "string",
          "description": "The checklist ID."
        },
        "task_id": {
          "type": "string",
          "description": "The task ID the checklist belongs to."
        },
        "name": {
          "type": "string",
          "description": "The name of the checklist."
        },
        "orderindex": {
          "type": "integer",
          "description": "The order index."
        },
        "resolved": {
          "type": "integer",
          "description": "Number of resolved items.",
          "minimum": 0
        },
        "unresolved": {
          "type": "integer",
          "description": "Number of unresolved items.",
          "minimum": 0
        },
        "items": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "id": {
                "type": "string",
                "description": "The checklist item ID."
              },
              "name": {
                "type": "string",
                "description": "The item text."
              },
              "orderindex": {
                "type": "integer",
                "description": "The order index."
              },
              "assignee": {
                "type": ["object", "null"],
                "description": "The assigned user."
              },
              "resolved": {
                "type": "boolean",
                "description": "Whether the item is resolved."
              },
              "parent": {
                "type": ["string", "null"],
                "description": "The parent checklist item ID for nested items."
              },
              "date_created": {
                "type": "string",
                "description": "Unix timestamp when created."
              },
              "children": {
                "type": "array",
                "items": {
                  "type": "object"
                },
                "description": "Nested checklist items."
              }
            }
          },
          "description": "The items in the checklist."
        }
      },
      "required": ["id", "name"]
    },
    "Dependency": {
      "type": "object",
      "description": "A dependency between two tasks.",
      "properties": {
        "task_id": {
          "type": "string",
          "description": "The dependent task ID."
        },
        "depends_on": {
          "type": "string",
          "description": "The task ID this task depends on."
        },
        "type": {
          "type": "integer",
          "description": "The dependency type code."
        },
        "date_created": {
          "type": "string",
          "description": "Unix timestamp when the dependency was created."
        },
        "userid": {
          "type": "string",
          "description": "The user ID who created the dependency."
        }
      }
    },
    "LinkedTask": {
      "type": "object",
      "description": "A task linked to another task.",
      "properties": {
        "task_id": {
          "type": "string",
          "description": "The linked task ID."
        },
        "link_id": {
          "type": "string",
          "description": "The link ID."
        },
        "date_created": {
          "type": "string",
          "description": "Unix timestamp when the link was created."
        },
        "userid": {
          "type": "string",
          "description": "The user ID who created the link."
        }
      }
    },
    "ListReference": {
      "type": "object",
      "description": "A reference to a list.",
      "properties": {
        "id": {
          "type": "string",
          "description": "The list ID."
        },
        "name": {
          "type": "string",
          "description": "The list name."
        },
        "access": {
          "type": "boolean",
          "description": "Whether the user has access to the list."
        }
      }
    },
    "FolderReference": {
      "type": "object",
      "description": "A reference to a folder.",
      "properties": {
        "id": {
          "type": "string",
          "description": "The folder ID."
        },
        "name": {
          "type": "string",
          "description": "The folder name."
        },
        "access": {
          "type": "boolean",
          "description": "Whether the user has access to the folder."
        }
      }
    }
  }
}