# Action 
<field name="view_mode">tree,graph</field>
<field name="context">{'search_default_group_by_destination':1,'search_default_group_by_model':1}</field>
<field name="search_view_id" ref="view_search_replication_log"/>
#search view
<group string="Group By">
    <filter string="Destination Name" name="group_by_destination"
            context="{'group_by': 'destination_name'}"/>
    <filter string="Model Name" name="group_by_model"
            context="{'group_by': 'model_name'}"/>
    <filter string="Status" name="group_by_status" context="{'group_by': 'status'}"/>
</group>
#tree view 
<tree expand="2"
#i've tried 1 ,2 and expand="context.get('expand', True)", but all did not work, it expand on first level but won't expand more, please help thanks