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displayed_sidebar: pricingReference
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import ParameterTypes from "@site/src/components/ParameterTypes"

# Context

A context used to share resources, such as transaction manager, between the application and the module.

## Type parameters

<ParameterTypes parameters={[{"name":"TManager","type":"`object`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]}]}  sectionTitle="Context"/>

<ParameterTypes parameters={[{"name":"__type","type":"`\"MedusaContext\"`","description":"","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"transactionManager","type":"TManager","description":"An instance of a transaction manager of type `TManager`, which is a typed parameter passed to the context to specify the type of the `transactionManager`.","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"manager","type":"TManager","description":"An instance of a manager, typically an entity manager, of type `TManager`, which is a typed parameter passed to the context to specify the type of the `manager`.","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"isolationLevel","type":"`string`","description":"A string indicating the isolation level of the context. Possible values are `READ UNCOMMITTED`, `READ COMMITTED`, `REPEATABLE READ`, or `SERIALIZABLE`.","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"enableNestedTransactions","type":"`boolean`","description":"A boolean value indicating whether nested transactions are enabled.","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"eventGroupId","type":"`string`","description":"A string indicating the ID of the group to aggregate the events to be emitted at a later point.","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"transactionId","type":"`string`","description":"A string indicating the ID of the current transaction.","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"messageAggregator","type":"[IMessageAggregator](pricing.IMessageAggregator.mdx)","description":"An instance of a message aggregator, which is used to aggregate messages to be emitted at a later point.","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"requestId","type":"`string`","description":"A string indicating the ID of the current request.","optional":true,"defaultValue":"","expandable":false,"children":[]}]}  sectionTitle="Context"/>
