setForceRecalibration does not work

[eltraco]

When I try to use the command I get:
error: 'setForceRecalibration' was not declared in this scope
103 | setForceRecalibration(880);
| ^~~~~~~~~~~~~~~~~~~~~
exit status 1
'setForceRecalibration' was not declared in this scope

[eltraco]

Solved
The command should be:
airSensor.setForceRecalibration(880);