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

# List Filter Definitions

> Use this endpoint to retrieve the filters available for use inside templates, including each filter's arguments and a usage example. Filters transform field values when a report is rendered.



## OpenAPI

````yaml en/openapi/v3-current/reporter.yaml get /v1/templates/filters
openapi: 3.1.0
info:
  title: Reporter
  description: ''
  version: 2.1.2
servers:
  - url: https://reporter.sandbox.lerian.net
security: []
tags: []
paths:
  /v1/templates/filters:
    get:
      tags:
        - Templates API
      summary: List Filter Definitions
      description: >-
        Use this endpoint to retrieve the filters available for use inside
        templates, including each filter's arguments and a usage example.
        Filters transform field values when a report is rendered.
      parameters:
        - $ref: '#/components/parameters/Authorization'
        - $ref: '#/components/parameters/XOrganizationId'
      responses:
        '200':
          description: The list of available filter definitions.
          content:
            application/json:
              schema:
                type: object
                properties:
                  filters:
                    type: array
                    description: Available filter definitions.
                    items:
                      type: object
                      properties:
                        name:
                          type: string
                          description: Name of the filter.
                        description:
                          type: string
                          description: What the filter does.
                        example:
                          type: string
                          description: Example of the filter in use.
                        args:
                          type: array
                          description: Arguments the filter accepts.
                          items:
                            type: string
              example:
                filters:
                  - name: date
                    description: Formats a date value using the given layout.
                    example: '{{ dueDate|date:"2006-01-02" }}'
                    args:
                      - layout
                  - name: default
                    description: Returns a fallback value when the input is empty.
                    example: '{{ description|default:"N/A" }}'
                    args:
                      - fallback
          headers: {}
      security: []
components:
  parameters:
    Authorization:
      name: Authorization
      in: header
      description: >-
        The authorization token in the 'Bearer <token>' format.  


        **Important:** This header is required if your environment has Access
        Manager enabled. For more information, refer to the [Access
        Manager](/en/access-manager) documentation.
      required: false
      schema:
        type: string
    XOrganizationId:
      name: X-Organization-id
      in: header
      description: The unique identifier of the Organization associated with the request.
      required: true
      example: 019c96a0-0a98-7287-9a31-786e0809c769
      schema:
        type: string

````