Merge pull request #116324 from markjbrown/emulator-update

update max id size

Author: PRMerger17

articles/cosmos-db/local-emulator.md

@@ -35,6 +35,7 @@ Because the Azure Cosmos Emulator provides an emulated environment running on th
 * The Azure Cosmos Emulator does not offer [multi-region replication](distribute-data-globally.md).
 * As your copy of the Azure Cosmos Emulator might not always be up-to-date with the most recent changes in the Azure Cosmos DB service, you should refer to the [Azure Cosmos DB capacity planner](https://www.documentdb.com/capacityplanner) to accurately estimate the production throughput (RUs) needs of your application.
 * When using the Azure Cosmos Emulator, by default, you can create up to 25 fixed size containers (only supported using Azure Cosmos DB SDKs), or 5 unlimited containers using the Azure Cosmos Emulator. For more information about changing this value, see [Setting the PartitionCount value](#set-partitioncount).
+* Emulator supports max id property size of 254 characters.
 
 ## System requirements