Publishing Mashups to a stream

[madelonjansen]

In the help it is stated that a Mashup can be published in a stream:

Qlik Sense apps and mashups that are published to a stream in Qlik Sense Enterprise are available for viewing in the Qlik Sense Mobile app.

(https://help.qlik.com/en-US/sense/June2019/Subsystems/Hub/Content/Sense_Hub/Publishing/publish-to-mo...)

My question is: How do I do that?