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# Understanding queue priority in virtual environments
## Introduction
When a process flow is initialised, it gets added to your run queue and - by default - is picked for processing as soon as a slot becomes available. You have the option to assign a different `queue priority` for a given process flow, assigning a higher or lower priority in [process flow settings](/product-documentation/process-flows/building-process-flows/process-flow-settings.md) - for example:
{% hint style="info" %}
For more information about this, please refer to [Working with your run queue](/product-documentation/process-flows/error-reporting-and-exception-handling/run-logs-and-queue/working-with-your-run-queue.md).
{% endhint %}
However, if you deploy process flows to virtual environments, you may need to assign a different `queue priority` in different virtual environments. You can do this in two ways:
* [As part of the deployment process for a flow version](#setting-queue-priority-as-part-of-flow-deployment-to-a-virtual-environment)
* [As a replacement setting in the configuration for each virtual environment](#setting-queue-priority-as-part-of-virtual-environment-configuration)
In the following sections, we take a look at queue priority options and consider the precedence of one over the other.
## Setting queue priority as part of flow deployment to a virtual environment
When [deploying a single process flow version to a virtual environment](/product-documentation/virtual-environments/implementing-virtual-environments/deploying-a-single-process-flow-to-a-virtual-environment.md), a queue priority option is available - for example:
The default setting is to `inerit from flow`, which means that the `queue priority` defined for the process flow as a whole (see [above](#introduction)) is applied when this process flow runs in the associated virtual environment.
If required, you can override the default, flow-level priority with a new setting that only applies when this flow version runs in the associated virtual environment.
## Setting queue priority as part of virtual environment configuration
When [configuring replacement options for a virtual environment](/product-documentation/virtual-environments/implementing-virtual-environments/configuring-a-virtual-environment-version/configuring-virtual-environment-replacements.md), you can define a [flow queue priority](/product-documentation/virtual-environments/implementing-virtual-environments/configuring-a-virtual-environment-version/configuring-virtual-environment-replacements/replacement-flow-queue-priorities.md) for process flows if/when they are deployed to that environment, for example:
Choosing to configure a replacement `flow priority` here overrides any current `queue priority` setting (i.e. it overrides the [default flow-level setting](#introduction) AND any [override set when this process flow was deployed](#setting-queue-priority-as-part-of-flow-deployment-to-a-virtual-environment)).
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