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

# List Material Waste Mappings

> Retrieves all material waste mappings associated with a specific building project. This endpoint returns the waste mapping data that links materials used in the project to their corresponding waste categories or disposal routes, supporting Life Cycle Assessment (LCA) calculations.



## OpenAPI

````yaml /api-reference/realtime-lca-openapi.yaml get /wasteMapping/{buildingProjectId}
openapi: 3.0.0
info:
  title: Real-Time LCA REST Documentation
  version: 1.0.0
  description: >-
    ### Description 📝


    This collection contains a set of REST API requests for the Real-Time LCA
    (Life Cycle Assessment) service.


    ### Authenticate user 👤🔑


    In the `Auth` folder there's a `POST` request for authenticating the user.


    In this request body you can type in the user RTLCA user credentials
    (username & password) and a succesfull (`200 OK`) response will set the
    collection `BearerToken` variable which is then inherited by all other
    requests.
servers:
  - url: https://api.realtimelca.com/rest/api
    description: REST API.
  - url: https://api.realtimelca.com/epd/api
    description: EPD API.
  - url: https://auth.realtimelca.com/frontegg/identity/resources/auth/v1
    description: Authentication API (Frontegg identity v1).
  - url: https://realtimelca-prod.hasura.app
    description: GraphQL API (Hasura).
security:
  - BearerAuth: []
tags:
  - name: Auth
  - name: User
  - name: Overview
  - name: Project
  - name: Dashboard
  - name: Mapping
  - name: Automapping
  - name: Transport
  - name: Waste
  - name: Inspect
  - name: Report
  - name: Images
  - name: Library
  - name: Datasource
  - name: Owner
  - name: Material
  - name: Constructions
  - name: Enums
paths:
  /wasteMapping/{buildingProjectId}:
    servers:
      - url: https://api.realtimelca.com/rest/api
    parameters:
      - name: buildingProjectId
        in: path
        required: true
        schema:
          type: string
        example: d5ca610d-4505-479a-98dd-7b92157d022d
    get:
      tags:
        - Project
        - Waste
      summary: List Material Waste Mappings
      description: >-
        Retrieves all material waste mappings associated with a specific
        building project. This endpoint returns the waste mapping data that
        links materials used in the project to their corresponding waste
        categories or disposal routes, supporting Life Cycle Assessment (LCA)
        calculations.
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        default:
          description: Response schema not yet documented in the upstream Postman spec.
components:
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer

````