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Update multi-user list using the API with dynamic number of users

Hey Folks,

at the moment I am facing the problem how to update a multi-user picker field with ScriptRunner. I know the documentation Set User and Group Picker Fields And how to update the field with a specific number of Users.
I need to fill the field with users of an Organization and a group. I already have an array with all the IDs but I am not able to ad it in the body.

In the request body around the inserted String some quotation marks appear which are not needed. Do someone has an Idea how to get rid of them?

Thank you all and have a merry X-mas

Here is some code:
StringBuilder sb = new StringBuilder()
String separator = ""
for(accountId in visibleForUsers){ //visibleForUsers contains all the user Ids
sb.append(separator + accountId + "]")
separator = ",[id:";

String visibleForUsersAsString = sb.insert(0, "[").append("]").toString()

//send Request with all relevant users

result = put("/rest/api/2/issue/" + issueKey)
.header('Content-Type', 'application/json')
customfield_10053 : visibleForUsersAsString

if(result.status == 200){
return result
return "failure"


1 answer

0 votes
Prince Nyeche Community Leader Dec 29, 2020

Hi @Robin Weiß 

Welcome to community, editing a user field on Cloud would require accountId as key with the alphanumeric string as value. So from your code, if you're getting a list of 


You might not be able to update such, as it would require it in a dictionary  e.g {"accountId": "5ad9b1d51b0caa2d33f96011"}

So you have to update your code to generate the payload as above before using PUT request on the API.

Hi @Prince Nyeche ,

Thanks for your answer.
I just tried it with curly brackets but the error still occurs.

When I run this code it works perfektly:

result = put("/rest/api/2/issue/" + issueKey)
.header('Content-Type', 'application/json')
customfield_10053: [[id:"5ad9b1d51b0caa2d33f96011"],[id:"5d53cf6cab24bf0d99416a6f"]]

But when inserting it as a String what is what I need to have a dynamic Skript it does not not work at all:

def visibleForUsersAsString = "[[id:\"5ad9b1d51b0caa2d33f96011\"],[id:\"5d53cf6cab24bf0d99416a6f\"]]"
result = put("/rest/api/2/issue/" + issueKey)
.header('Content-Type', 'application/json')
customfield_10053: visibleForUsersAsString

Maybe you have an idea.


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