You can manually create an extracted field.
- Click the two arrows icon in the upper-left corner of the screen to expand the main menu.
- Go to the Explore Logs page.
- On the Stream tab, click the three dots icon to the left of any log message.
The Add Filter menu appears.
- Click Extract Field on the Add Filter menu.
The Create Custom Field form appears.
- Fill in values for the field.
- Click Save.
What to do next
You can modify saved field definitions or delete them if you no longer need them.