Issue object

Variable path	Type	Description	Sample value

Variable path	Type	Description	Sample value
key	String	Issue key	TEST-1
summary	String	Issue summary	This is issue summary
description	String	Issue description	This is sample issue description
createdDate	Date	The date when issue was created, in Jira format used in date picker	11/Sep/18 12:26 AM
dueDate	Date	Issue due date, in Jira format used in date picker	11/Sep/19 11:30 AM
updatedDate	Date	Issue updated date, in Jira format used in date picker	11/Sep/19 11:30 AM
resolutionDate	Date	Issue resolution date, in Jira format used in date picker	11/Sep/19 11:30 AM
issueType	String	Issue type name	Task
priority	String	Issue priority name	Medium
status	String	Issue status name	To do
assignee	User	Issue assignee user	admin
reporter	User	Issue reporter user	admin
project	Project	Issue project	DEMO
labels	Collection<Label>	List of issue labels	[test, aux]
fixVersions	Collection<Version>	List of fix versions	[1.0.0, 1.2.0]
affectedVersions	Collection<Version>	List of affected versions	[v1, v2]

Accessing custom field value

To retrieve custom field value by its id please use expression: $!sourceIssue.getCustomFieldValue('customfield_1111')

To copy current custom field value in custom field form input please use special $this variable instead field id: $!sourceIssue.getCustomFieldValue($this)