Navigate to the task configuration for the job (this will be the default job if creating a new plan).
Click the name of the desired script task, or click Add Task and then Script if creating a new task.
Complete the following settings:
Script configuration
Task Description
A description of the task, which is displayed in Bamboo.
Script location
Select the location of the script file.
File — enter the location of the file in the Script file field. This can be either relative to the repository root of the plan, or absolute. You can include variables (see Using global, plan or build-specific variables).
Inline — enter the script in the Script body field.