# How do i aggregate the same event in the message field

**URL:** https://discuss.elastic.co/t/how-do-i-aggregate-the-same-event-in-the-message-field/83499
**Category:** Logstash
**Created:** [April 25, 2017, 7:02am UTC](https://discuss.elastic.co/t/how-do-i-aggregate-the-same-event-in-the-message-field/83499 "2017-04-25T07:02:21Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Jonesthomas](https://avatars.discourse-cdn.com/v4/letter/j/f4b2a3/32.png) [@Jonesthomas](https://discuss.elastic.co/u/Jonesthomas)
#### Post date: [April 25, 2017, 7:02am UTC](https://discuss.elastic.co/t/how-do-i-aggregate-the-same-event-in-the-message-field/83499/1 "2017-04-25T07:02:22Z")

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this is my json log file,I want to group the error logged event from the message field, and one more thing what is the pattern of the message field

[{  
"logID": 1,  
"organizationID": 1,  
"userID": 1001,  
"appID": 123,  
"moduleID": 1,  
"screenID": 213,  
"timeStamp": "2017-03-15 10:06:26",  
"action": "Login",  
"purpose": "log",  
"role": "Doctor",  
"location": "Hospital",  
"ipaddress": "192.168.1.3",  
"networkType": "desktop",  
"method": "getAll",  
"category": "normal",  
"description": "successfully logged in"  
}, {  
"logID": 2,  
"organizationID": 1,  
"userID": 201,  
"appID": 201,  
"moduleID": 2,  
"screenID": 224,  
"timeStamp": "2017-03-15 10:36:06",  
"action": "Login",  
"purpose": "log",  
"role": "Nurse",  
"location": "Clinic",  
"ipaddress": "192.168.2.6",  
"networkType": "tablet",  
"method": "addVitals",  
"category": "minor error",  
"description": "error logged"  
}, {  
"logID": 3,  
"organizationID": 1,  
"userID": 1245,  
"appID": 654,  
"moduleID": 2,  
"screenID": 225,  
"timeStamp": "2017-03-15 10:46:26",  
"action": "Book\_apt",  
"purpose": "log",  
"role": "Patient",  
"location": "public",  
"ipaddress": "192.178.1.5",  
"networkType": "mobile",  
"method": "getByID",  
"category": "severe error",  
"description": "error logged"  
}, {  
"logID": 4,  
"organizationID": 1,  
"userID": 1001,  
"appID": 123,  
"moduleID": 1,  
"screenID": 213,  
"timeStamp": "2017-03-15 11:16:26",  
"action": "Logout",  
"purpose": "log",  
"role": "Doctor",  
"location": "Hospital",  
"ipaddress": "192.168.1.3",  
"networkType": "desktop",  
"method": "getAll",  
"category": "normal",  
"description": "successfully logged out"  
}, {  
"logID": 5,  
"organizationID": 1,  
"userID": 2365,  
"appID": 321,  
"moduleID": 3,  
"screenID": 654,  
"timeStamp": "2017-03-15 11:56:36",  
"action": "Find\_doctor",  
"purpose": "log",  
"role": "Patient",  
"location": "public",  
"ipaddress": "192.178.6.8",  
"networkType": "desktop",  
"method": "getByName",  
"category": "normal",  
"description": "Doctor found"  
}, {  
"logID": 6,  
"organizationID": 1,  
"userID": 201,  
"appID": 201,  
"moduleID": 2,  
"screenID": 224,  
"timeStamp": "2017-03-15 12:06:36",  
"action": "Login",  
"purpose": "log",  
"role": "Nurse",  
"location": "Clinic",  
"ipaddress": "192.168.2.6",  
"networkType": "tablet",  
"method": "updateVitals",  
"category": "minor error",  
"description": "error logged"  
}, {  
"logID": 7,  
"organizationID": 1,  
"userID": 1,  
"appID": 254,  
"moduleID": 5,  
"screenID": 986,  
"timeStamp": "2017-03-15 12:30:46",  
"action": "Health\_FAQ",  
"purpose": "log",  
"role": "Patient",  
"location": "public",  
"ipaddress": "192.178.5.7",  
"networkType": "mobile",  
"method": "getAll",  
"category": "normal",  
"description": "New FAQ added"  
}, {  
"logID": 8,  
"organizationID": 1,  
"userID": 215,  
"appID": 666,  
"moduleID": 2,  
"screenID": 226,  
"timeStamp": "2017-03-15 12:46:59",  
"action": "Book\_apt",  
"purpose": "log",  
"role": "Patient",  
"location": "public",  
"ipaddress": "192.178.5.7",  
"networkType": "mobile",  
"method": "getByID",  
"category": "severe error",  
"description": "error logged"  
}, {  
"logID": 9,  
"organizationID": 1,  
"userID": 23,  
"appID": 654,  
"moduleID": 4,  
"screenID": 224,  
"timeStamp": "2017-03-15 01:16:23",  
"action": "View\_patient\_Records",  
"purpose": "AUDIT",  
"role": "Doctor",  
"location": "Clinic",  
"ipaddress": "192.178.8.2",  
"networkType": "mobile",  
"method": "getAll",  
"category": "normal",  
"description": "All patients record viewed"  
}, {  
"logID": 10,  
"organizationID": 1,  
"userID": 65,  
"appID": 145,  
"moduleID": 1,  
"screenID": 333,  
"timeStamp": "2017-03-15 01:26:45",  
"action": "View\_stock",  
"purpose": "AUDIT",  
"role": "Doctor",  
"location": "Clinic",  
"ipaddress": "192.188.7.1",  
"networkType": "mobile",  
"method": "getAll",  
"category": "normal",  
"description": "All substances record viewed"  
}]

---

<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 23, 2017, 7:15am UTC](https://discuss.elastic.co/t/how-do-i-aggregate-the-same-event-in-the-message-field/83499/2 "2017-05-23T07:15:55Z")

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