> For the complete documentation index, see [llms.txt](https://docs.helmut.de/helmut4-releases/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.helmut.de/helmut4-releases/v4.13.0/helmut4-components/streamdesigner/nodes/actions/project-21/project-lock-action.md).
# Project Lock Action
With the help of the Project Lock Action, it is possible to lock a project via a stream triggered by the 'open\_project' trigger.
This capability applies to any type of project in Helmut and can be utilized in two different ways:
* **Simple Locking:** This indicates that the project has already been opened by a user.
* **Forced Locking:** In this mode, the project can no longer be opened by other users until it has been unlocked. Unlocking can be performed by another user, depending on the access rights, or it occurs automatically when the project is closed.
If a project needs to be locked while it is not currently open in any application, for example, to prevent further modifications after a workflow has completed, the [Project Status Update Action](/helmut4-releases/v4.13.0/helmut4-components/streamdesigner/nodes/actions/project-21/project-status-update-action.md) should be used instead. This node provides the necessary parameters to properly lock the project and update its status indicators accordingly.
{% hint style="info" %}
This node locks the project within the FX, CO, and HK project views by displaying a lock symbol—either a [hard](/helmut4-releases/v4.13.0/helmut4-components/helmutfx/projects/project-status.md#hard-lock) or [soft](/helmut4-releases/v4.13.0/helmut4-components/helmutfx/projects/project-status.md#soft-lock) lock —depending on the state of the boolean "Force lock."
{% endhint %}
The node [Premiere Native Lock Action](/helmut4-releases/v4.13.0/helmut4-components/streamdesigner/nodes/actions/adobe-premiere/premiere-native-lock-action.md) does offer the same option which can be used while setting the Premiere Pro native file locking function.