> ## Documentation Index
> Fetch the complete documentation index at: https://nocode-docs.zeroagent.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Update records

The UpdateOne and UpdateMany blocks in Zeromagic allow you to modify existing records within a Cosmos DB container. These blocks offer the flexibility to update either a single record or multiple records simultaneously.

## 1. Update One

Updates a single record by its ID in a Cosmos DB container.

### Properties

**Container Name:** The name of the Cosmos DB container containing the record to be updated.

**Record ID:** The unique identifier of the record to be updated.

**Update Record:** The data that will be used to update the record.

**Auto Create**: Create a collection if it doesnt exists in the container.

**Returns**: Return a `val` with the ID of newly created record.

## 2. Update Many

Updates multiple records based on a filter query in a Cosmos DB container.

### Properties

**Container Name:** The name of the Cosmos DB container containing the record to be updated.

**Filter Query**: A filter query used to identify the records to be updated. The filter query consists of a left value `(field name)` and a right value `(data to be evaluated)`.

It utilises the same condition syntax as the [If Conditions](/restapi/flow-builder/blocks/flow-control/if-else#condition-editor).

**Update Record:** The data that will be used to update the record.

**Auto Create**: Create a collection if it doesnt exists in the container.

**Returns**: Return a `val` with the IDs of newly created records.