---
sourceDocument: Australia IT Service Management
sourceDocumentLink: https://servicenow-prod.fluidtopics.net/r/it-service-management

 Release :

    - australia

ft:locale :

    - en-US

ft:publication_title :

    - Australia IT Service Management

ft:clusterId :

    - itsm

bundleId :

    - itsm

workflow :

    - Technology


---

# Define the purpose

# Define the purpose {#ariaid-title1}

Release version: Australia  
Updated March 12, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
Specify the purpose of the similar records model. You can select the prediction table for which predictions will be generated. Then, select the training table (Incidents, Problems, or Change Requests) which will appear as
predictions based on similarities between their selected fields.

## Before you begin

Role required: admin

## Procedure

1. Select the prediction table.
2. Select any of the following training tables.  
   * Incident
   * Problem
   * Change request

   {#define-the-purpose__ul_shp_pds_2dc}
3. Select  Save \& continue.
{#define-the-purpose__steps_ly1_qxy_3dc}

## Result

Now that the purpose of the model is defined, you can start training it. For more information, see [Train the similarity model](https://servicenow-prod.fluidtopics.net/kGFK8uYhLKfwxIUV9TrWNA "Train your similar record models with training data to predict the similar records by recognizing similarities between fields of Incident table and training tables.").