4 title: "Reference: Job scripts"
8 h1. Reference: Job scripts
10 ...how to understand and write them.
12 h3. Job task execution environment
14 A task's context is established in environment variables.
16 table(table table-bordered table-condensed).
17 |Environment variable|Description|
18 |@JOB_UUID@|UUID of the job|
19 |@JOB_PARAMETER_X@|Value of the @x@ parameter supplied when the job was created|
20 |@TASK_UUID@|UUID of the task|
21 |@TASK_SEQUENCE@|Task execution sequence|
22 |@TASK_PARAMETER_X@|Value of the @x@ parameter supplied when the job task was created|
23 |@ARVADOS_API_TOKEN@|Authentication token to use with API calls made by the job task|