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

# Get last N log lines from launcher driver



## OpenAPI

````yaml /api-reference/4.2/service-spark.json get /spark/log/driver/launcher
openapi: 3.0.0
info:
  version: 4.2.6-rc1
  title: Fusion Service spark
servers:
  - url: /api/apollo/
security: []
tags:
  - name: spark
paths:
  /spark/log/driver/launcher:
    get:
      tags:
        - 4.2 Spark API
      summary: Get last N log lines from launcher driver
      operationId: getLogsFromLauncherDriver
      parameters:
        - name: rows
          in: query
          description: The number of log lines to read from file
          required: false
          schema:
            type: integer
            format: int32
            default: 100
        - name: jobId
          in: query
          description: Filter out logs by Spark job name
          required: false
          schema:
            type: string
        - name: jobRunId
          in: query
          description: Filter out logs by Spark job run ID
          required: false
          schema:
            type: string
        - name: pattern
          in: query
          description: Filter out logs using regex pattern
          required: false
          schema:
            type: string
      responses:
        '200':
          description: successful operation
          content:
            text/plain:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/LogLine'
components:
  schemas:
    LogLine:
      type: object
      properties:
        line:
          type: string
        date:
          type: integer
          format: int64

````