Specifies the layers to be used as source layers for object assignment. Only layers that have a valid layer configuration with object assignment are acceptable.

Configuration of object assignment layers
Note: For detailed information about the configuration of object assignment layers see chapter How to configure Object Assignment Layers.
Note: So far the "Assign feature" tool is only supported by the WebOffice mobile client. For more information about how to use the "Assign feature" tool, please see chapter Assign Feature.