+* This example script  console script updates the  checkbox  field on an issue.

+* "All right, title and interest in this code snippet shall remain the exclusive intellectual property of Adaptavist Group Ltd and its affiliates. Customers with a valid ScriptRunner

+* license shall be granted a  non-exclusive, non-transferable, freely revocable right to use this code snippet only within their own instance of Atlassian products. This licensing notice cannot be removed or

+* amended and must be included in any circumstances where the code snippet is shared by You or a third party." 

+*/

+

+// Get the issue key

+def issueKey = '<IssueKeyHere>'

+def checkboxField = "<CheckBoxFieldIDHere>"

+

+// Update the issue and add checkbox values to it.

+def result = put("/rest/api/2/issue/${issueKey}")

+        .header('Content-Type', 'application/json')

+        .body([

+        fields: [

+               (checkboxField): [ // Initialise the  array

+                               [ //value of each checkbox value

+                                 value: "<CheckboxValueHere>",

+                               ],

+                               [

+                                 value: "<CheckboxValueHere>",

+                               ]

+                ]

+        ]

+])