> For the complete documentation index, see [llms.txt](https://help.auxalia.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.auxalia.com/plant-tools/plantdatamanager/collaboration-workflows/not-placed-objects-relationships-workflow.md).

# Not-Placed Objects & Relationships Workflow

This chapter describes the workflows when using NPOs with Collaboration projects.

This is specific to the Collaboration workflow. General info about the use of NPOs can be found under [Introduction & Workflow](/plant-tools/plantdatamanager/how-to-use/plantdatamanager/not-placed-objects/introduction-workflow.md).

<details>

<summary>Creating NPOs or Relationships</summary>

If you add a NPO or a Relationship then the following files are handled: 1.Selected DWG => CHECKED OUT

</details>

<details>

<summary>Deleting NPOs or Relationships</summary>

If you delete a NPO or a Relationship then the following files are handled: 1.Selected DWG => CHECKED OUT

</details>

<details>

<summary>Editing NPOs in XML file</summary>

If you edit a NPO or a Relationship which are still in the XML file and haven't been imported yet into the Process Power then the following files are handled: 1.NPO\_\[DWGGUID].xml => CHECKED OUT 2.Selected DWG => CHECKED OUT

</details>

<details>

<summary>Saving project with changes</summary>

If you save your changes (without closing the project) then the following files are handled: 1.NPO\_\[DWGGUID].xml => COMMITED

</details>

<details>

<summary>Closing project with changes</summary>

If you close the project and saving your changes then the following files are handled: 1.NPO\_\[DWGGUID].xml => CHECKED IN 2.DWGs => UNDO CHECK OUT

</details>

<details>

<summary>Refresh project with changes</summary>

If you refresh the project and saving your changes then the following files are handled: 1.NPO\_\[DWGGUID].xml => CHECKED IN

</details>

<details>

<summary>Open Project in Plant 3D</summary>

If you open the project then the following files are handled: 1.NPO\_\[DWGGUID].xml => DOWNLOADED On project load to show the notification dialogs.

</details>

<details>

<summary>Executing NPO Tasks on Project Load</summary>

If you open the project then the following files are handled: 1.NPO\_\[DWGGUID].xml => CHECKED OUT/DELETED xml files are checked out one by one. The tasks in the xml files are executed. The xml files will be deleted at the end.

</details>

<details>

<summary>Executing NPO Tasks on Drawing Open</summary>

If you open a draqwing then the following files are handled: 1.NPO\_\[DWGGUID].xml => CHECKED OUT/DELETED xml file is checked out. The tasks in the xml file are executed. The xml file will be deleted at the end.

</details>