# Retrieve By Id Report Functions

Get Report Functions By Id

Endpoint: GET /rest/2.0/CUSTOM_FUNCTION/{id}
Version: 1.0
Security: JWT

## Path parameters:

  - `id` (integer, required)
    Id of the record

## Header parameters:

  - `sessionId` (string, required)

## Response 200 fields (application/json):

  - `retrieveResponse` (object)

  - `retrieveResponse.FunctionDescr` (string)
    Function Description

  - `retrieveResponse.FunctionName` (string)
    Function Name

  - `retrieveResponse.FunctionSql` (string)
    Function Sql

  - `retrieveResponse.DateFormat` (string)
    Date Format

  - `retrieveResponse.FunctionType` (string)
    Function Type

  - `retrieveResponse.Created` (string)
    System controlled field: Date and time the record was created

  - `retrieveResponse.VariableFlag` (string)
    VariableFlag

  - `retrieveResponse.Id` (string)
    Id: FUNCTION_ID

## Response 400 fields (application/json):

  - `error` (string)
    Bad request

  - `message` (string)
    Bad request

## Response 401 fields (application/json):

  - `error` (string)
    Unauthorized

  - `message` (string)
    Unauthorized

## Response 404 fields (application/json):

  - `error` (string)
    Not found

  - `message` (string)
    Not found

## Response 429 fields (application/json):

  - `error` (string)
    Too many requests

  - `message` (string)
    Too many requests

## Response 500 fields (application/json):

  - `error` (string)
    Internal error

  - `message` (string)
    Internal error