> ## Documentation Index
> Fetch the complete documentation index at: https://developers.myhero.so/llms.txt
> Use this file to discover all available pages before exploring further.

# Retrieve project tree data

> Returns the project metadata and its flat list of documents in a single response.

Used to populate the document sidebar tree for `projectId`.



## OpenAPI

````yaml get /project/get-tree-data/{projectId}
openapi: 3.1.0
info:
  title: HERO API
  version: current
  description: |-
    The HERO REST API.

    See https://developers.myhero.so for the rendered docs.
servers:
  - url: https://app.myhero.so
security: []
paths:
  /project/get-tree-data/{projectId}:
    get:
      tags:
        - Projects
      summary: Retrieve project tree data
      description: >-
        Returns the project metadata and its flat list of documents in a single
        response.


        Used to populate the document sidebar tree for `projectId`.
      operationId: getProjectTreeData
      parameters:
        - schema:
            type: string
            minLength: 1
          required: true
          name: projectId
          in: path
      responses:
        '200':
          description: 200 response
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: object
                    properties:
                      project:
                        type:
                          - object
                          - 'null'
                        properties:
                          _id:
                            type: string
                          originId:
                            type: string
                          userId:
                            type: string
                          workspaceId:
                            type: string
                          name:
                            type: string
                          icon:
                            type: object
                            properties:
                              name:
                                type: string
                              color:
                                type: string
                            required:
                              - name
                              - color
                          emoji:
                            type: object
                            properties:
                              emojiStyle:
                                type: string
                              unified:
                                type: string
                            required:
                              - unified
                          reference:
                            type: string
                          description:
                            type: string
                          published:
                            type: array
                            items:
                              type: object
                              properties:
                                slug:
                                  type: string
                                domain:
                                  type: string
                                homepage:
                                  type: string
                                password:
                                  type: string
                                disabled:
                                  type: boolean
                          publishedBranding:
                            type: object
                            properties:
                              company:
                                type: object
                                properties:
                                  name:
                                    type: string
                                  logo:
                                    type: string
                                  url:
                                    type: string
                              callToAction:
                                type: object
                                properties:
                                  icon:
                                    type: object
                                    properties:
                                      name:
                                        type: string
                                      color:
                                        type: string
                                    required:
                                      - name
                                      - color
                                  text:
                                    type: string
                                  url:
                                    type: string
                          createdAt:
                            type: number
                          updatedAt:
                            type: number
                        required:
                          - _id
                          - userId
                          - workspaceId
                          - name
                          - createdAt
                          - updatedAt
                      documents:
                        type: array
                        items:
                          type: object
                          additionalProperties: {}
                    required:
                      - project
                      - documents
                required:
                  - data
        '403':
          description: 403 response
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                    description: |-
                      Error class name (e.g.

                      ValidationError, NotFound)
                  message:
                    type: string
                    description: Human-readable error message
                  details:
                    type: array
                    items: {}
                required:
                  - error
                  - message
      security:
        - bearerAuth: []
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: HERO personal access token

````