# PUT mapping resulting in hidden fields , not appearing in 'Discover'

**URL:** <https://discuss.elastic.co/t/put-mapping-resulting-in-hidden-fields-not-appearing-in-discover/177794>\
**Category:** Logstash\
**Created:** [April 22, 2019, 5:03am UTC](https://discuss.elastic.co/t/put-mapping-resulting-in-hidden-fields-not-appearing-in-discover/177794 "2019-04-22T05:03:41Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![ajayraghuraj](https://avatars.discourse-cdn.com/v4/letter/a/e68b1a/32.png) [@ajayraghuraj](https://discuss.elastic.co/u/ajayraghuraj)\
**Post date:** [April 22, 2019, 5:03am UTC](https://discuss.elastic.co/t/put-mapping-resulting-in-hidden-fields-not-appearing-in-discover/177794/1 "2019-04-22T05:03:42Z")

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I added a field by updating all the indices using the 'PUT' API. But they appear as missing fields in the 'Available fields' and do not appear in the Fields 'Table' . Can someone help with this ?

PUT logstashindex-\*/\_mapping/\_doc  
{  
"properties": {  
"messageID": {  
"type": "text",  
"fields": {  
"keyword": {  
"type": "keyword",  
"ignore\_above": 256  
}  
}  
}  
}  
}

```
    "messageID": {
      "type": "text",
      "fields": {
        "keyword": {
          "type": "keyword",
          "ignore_above": 256
        }
      }
    },

```

Logstash config -

fingerprint {  
source =\> "[system][syslog][message]"  
method =\> "MURMUR3"  
}

mutate { add\_field =\> { "messageID" =\> "%{[system][syslog][program]}-%{fingerprint}" } }

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [May 20, 2019, 5:03am UTC](https://discuss.elastic.co/t/put-mapping-resulting-in-hidden-fields-not-appearing-in-discover/177794/2 "2019-05-20T05:03:51Z")

</div>

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