We are using the field mapping application QField with QGIS 2.18 for on-site data collection.

I've looked through the documentation and am still unsure, so am bring this question here: Is it possible to use python scripts using the python init function specification in the layer field properties?

I currently use a script to automatically assign object modification date and time. I am looking use this, because as far as I can tell, the now() function only works when the object is created. Updating existing points does not update the now() variable.

This can be done without Python support.

Add the expression now() to the field and activate "apply default value on update".

Unfortunately, there is currently no Python support for QField.

See this anwer .

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