Hello Tejas,
I´m referring to this part of the Metadata Document:
<Annotations Target="com.sap.GL.zrha.LineItems" xmlns="http://docs.oasis-open.org/odata/ns/edm"><Annotation Term="com.sap.vocabularies.UI.v1.LineItem"><Collection><Record Type="com.sap.vocabularies.UI.v1.DataField"><PropertyValue Property="Value" Path="Bukrs" /><PropertyValue Property="Label" String="my Bukrs" /><Annotation Term="com.sap.vocabularies.UI.v1.Importance" EnumMember="com.sap.vocabularies.UI.v1.ImportanceType/High" /></Record><Record Type="com.sap.vocabularies.UI.v1.DataField"><PropertyValue Property="Value" Path="Gjahr" /><Annotation Term="com.sap.vocabularies.UI.v1.Importance" EnumMember="com.sap.vocabularies.UI.v1.ImportanceType/Medium" /></Record><Record Type="com.sap.vocabularies.UI.v1.DataField"><PropertyValue Property="Value" Path="Kunnr" /></Record><Record Type="com.sap.vocabularies.UI.v1.DataField"><PropertyValue Property="Value" Path="Name1" /></Record><Record Type="com.sap.vocabularies.UI.v1.DataField"><PropertyValue Property="Value" Path="Dmbtr" /></Record><Record Type="com.sap.vocabularies.UI.v1.DataField"><PropertyValue Property="Value" Path="Hwaer" /></Record> <Record Type="com.sap.vocabularies.UI.v1.DataField"><PropertyValue Property="Value" Path="Cnt" /><Annotation Term="com.sap.vocabularies.UI.v1.Importance" EnumMember="com.sap.vocabularies.UI.v1.ImportanceType/Low" /></Record></Collection></Annotation></Annotations>
You can also refer to this link for more Information about the needed Annotations:
http://help.sap.com/saphelp_scm700_ehp03/helpdata/en/be/d8274140d04fc0b9bcb2db42d8bac2/content.htm
Regards,
Florian