1. Create "Empty SharePoint Project"
2. Add a "Empty Element" file
3. Add "Field" in empty Elements tags. like for link list:
EnableLookup="TRUE"
Name="FieldName"
DisplayName="Name you would like to display to end user"
Type="Lookup"
Group="group name"
Description="enter description for end user here"
Overwrite="TRUE" --This is very important if you have form solution, as other you will get error, ignore in case of sandbox solution.
List="Lists/ListName"
ShowField="ColumnName"/>
For normal column add details like
Name="FieldName"
DisplayName="Name you would like to display to end user"
Type="Text" -- Mention type here like text, note, datetime
Group="group name"
Description="enter description for end user here"/>
4. Add New Item - Content Type
This opens SharePoint customization Wizard - choose base content type you wants to inherit
5. In Newly added content type file under "FieldRefs" add "FieldRef" with values from fields added in step 3.
ex.
Name="namesame as mentioned in field"
DisplayName="display name same as mentioned in field"
Description="description for end user"/>
6. Add new item module
7. Delete file sample.text and add .aspx file.
8. Element file under page layout folder should be look like
Value="$Resources:cmscore,contenttype_pagelayout_name;"/>
Value=";#name from conent type under tag content type ;#id from content type under tag contenttype;#"/>
Value="name of page layout"/>
Publish and enjoy....
