---
sourceDocument: Yokohama Build or modify applications
sourceDocumentLink: https://www.servicenow.com/docs/r/yokohama/application-development

 Release :

    - yokohama

ft:locale :

    - en-US

ft:publication_title :

    - Yokohama Build or modify applications

ft:clusterId :

    - cadev

bundleId :

    - cadev

workflow :

    - Development, Data, and Analytics


---

# Add an operation to a model in ERP Canvas

# Add an operation to a model in ERP Canvas {#ariaid-title1}

* Release version: Yokohama
* 
* Updated January 30, 2025
* 
* ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read

Add an operation to an ERP (Enterprise Resource Planning) model in ERP Canvas to define how it retrieves data from or writes data to the ERP system, or creates a new instance of the business object.

## Before you begin

Role required: sn_erp_integration.erp_admin, sn_erp_integration.erp_user

## About this task

* Read operations retrieve ERP data by either reading a table or using a BAPI.
* Update operations use a BAPI to write updates to the ERP system.
* Create operation creates a new instance of the business object in the SAP system.
{#erpc-manage-models-read-op__ul_cmd_4qq_1bc}

## Procedure

1. Navigate to AllERP CanvasERP Canvas Home.
2. Open the ERP model page by selecting the ERP model icon (![ERP model icon]()) in the side panel.
3. Select the model to which you want to add an operation.
4. Select the Manage model button.  
5. Select Add model operation.
6. Specify the type of operation that you're adding in the Select type field of the Add operation modal.  
   * Update sends data back to write to the ERP system.
   * Read reads and retrieves data from the ERP system and brings it onto the ServiceNow AI Platform.
   * Create is used to create a new instance of the business object in the SAP system.

   {#erpc-manage-models-read-op__ul_m4j_wqq_1bc}  
   Figure 1. Add operation
7. Select Save and continue.

## Result

The foundation of the operation is created.

## What to do next

Next, you must add the read or update entity to the operation. For more information, see [Add a read, update, or create entity to a model in ERP Canvas](https://www.servicenow.com/docs/D95uvrIJ22NNM_wEBVYGew "Specify the operation entity, which is the table or BAPI (Business Application Programming Interface) that ERP Canvas uses for read, update, or create operations.")

You can select the delete icon () on the operation's card to remove any operations you don't need, or to start over.

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