Extra QGIS Variables
The Mergin Maps QGIS plugin adds several variables that can be used in QGIS expressions:
| Variable name | Sample value | Scope | Description |
|---|---|---|---|
@mergin_username | martin | global | Name of the user currently logged in to Mergin Maps |
@mergin_user_email | martin@example.com | global | Email of the user currently logged in to Mergin Maps |
@mergin_url | https://app.merginmaps.com | global | URL of the Mergin Maps service |
@mergin_project_name | Tree survey | project | Name of the active Mergin Maps project |
@mergin_project_owner | martin | project | Name of the owner of the active project |
@mergin_project_full_name | martin/Tree survey | project | Owner and project name joined with a forward slash |
@mergin_project_version | 42 | project | Current version of the active project |
A common use case is to use @mergin_username as the default value for one of the fields in a survey layer to automatically track who has added (and/or modified) a particular record.