---
title: "system.tag.writeToTag"
description: "Writes a value to a tag. If suppressErrors is true, error messages on failed writes will not be shown."
---

# system.tag.writeToTag

> Writes a value to a tag. If suppressErrors is true, error messages on failed writes will not be shown.

:::note Deprecated
This function was deprecated in 8.1.0.
:::

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

## Description
## Client Permission Restrictions
This scripting function has no [Client Permission](versioned_docs/version-8.1\ignition-modules\vision\vision-project-properties\vision-project-properties.md#vision-permissions-properties) restrictions.

## Syntax

`system.tag.write(tagPath, value, [suppressErrors])`

- Parameters
    - String `tagPath` - The path of the tag to write to.
    - Object `value` - The value to write.
    - Boolean `suppressErrors` - A flag indicating whether or not to suppress errors. [optional]
- Returns
    - int - 0 if the write failed immediately, 1 if it succeeded immediately, and 2 if it is pending.
- Scope
    - All

## Code Examples
```python title="Code Snippet"
# This code would go on a property change event for a numeric text field to calculate and write a value to a tag.
  
if event.propertyName == intValue:
 calcValue = event.newValue * 2.5
 system.tag.writeToTag("Tanks/tankHiSP",calcValue)
```