Empty

Boolean function for resource conditions that returns True if the specified resource has no connections (that is, has no value). Otherwise returns False.

Syntax:

resource.resourcetype.Empty()

Example	Result
Resource filter: App_* Conditions: resource.stream.Empty() Action: update	This rule lets the user update an app, provided that the app is not connected (published) to a stream.
Resource filter: App.Sheet_* Conditions: resource.app.stream.Empty() Action: update	This rule lets the user update sheets, provided that the app that the sheet belongs to is not published to a stream.

Example

Result

Resource filter: App_*

Conditions: resource.stream.Empty()

Action: update

This rule lets the user update an app, provided that the app is not connected (published) to a stream.

Resource filter: App.Sheet_*

Conditions: resource.app.stream.Empty()

Action: update

This rule lets the user update sheets, provided that the app that the sheet belongs to is not published to a stream.

Learn more

Conditions (Advanced view)
Security rule conventions

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