"name":"RUNDECKJOBSLOG",
"pattern":"\\[%{TIMESTAMP_ISO8601:rundeck_job_timestamp}\\] %{USERNAME:rundeck_job_user} %{WORD:rundeck_job_action} \\[%{DATA:rundeck_job_id}\\] %{WORD:rundeck_job_project} \\\"%{DATA:rundeck_job_jobname}\\\" \\(%{WORD:rundeck_job_commit}\\)"
[2018-02-09 10:05:21,431] User1 modify [bed3228c-1eba-4448-b322-3363de3597fc] ProjectName "Group/JobName job1" (update)
rundeck_job_timestamp: 2018-02-09 10:05:21,431
rundeck_job_user: User1
rundeck_job_action: modify
rundeck_job_jobname: Group/JobName job1
rundeck_job_project: ProjectName
rundeck_job_commit: update
rundeck_job_id: bed3228c-1eba-4448-b322-3363de3597fc
Go to Graylog Web Interface -> System -> Content Packs then select content_pack.json file and upload it.