---
title: "system.opchda.insertReplace"
description: "Will insert values on the OPC-HDA server, or replace them if they already exist."
---

# system.opchda.insertReplace

> Will insert values on the OPC-HDA server, or replace them if they already exist.

This function is used in **Python Scripting**.

## Description
## Client Permission Restrictions
[Permission Type](projects\project-properties\project-properties.md#client---permissions): OPC Server Management

Client access to this scripting function is blocked to users that do not meet the role/zone requirements for the above permission type. This function is unaffected when run in the Gateway scope.

## Syntax
`system.opchda.insertReplace(serverName, itemId, value, date, quality)`

### Parameters

|Type|Parameter|Description|
|--|--|--|
|String| `serverName` |The name of the defined OPC-HDA server.|
|String |`itemId` | The item ID to perform the operation on.|
|Object |`value` | The value to insert or replace.|
|Object| `date` | The date to insert or replace.|
|QualityCode |`quality` | The quality to insert or replace.|
### Returns
**QualityCode** - The result of the insert or replace operation.
### Scope
All