Hi Chernobrivec,
Looking at your schema.xml, it seems that you will have to use <ContentType> instead of <ContentTypeRef>.
"ContentTypeRef" is used when you have defined your custom content types. In your case, you can use the "ContentType" node to add custom columns to the list.
Consider a product list (My Product )having different columns namely "Product Code", "Product", "Product Description" & "Quantity". Then the corresponding list definition (i.e., schema.xml) for the list will be as follows:
<?xml version="1.0" encoding="utf-8"?>
<List xmlns:ows="Microsoft SharePoint" Title="My Product List" FolderCreation="FALSE" Direction="$Resources:Direction;" Url="Lists/MyProductList" BaseType="0" xmlns="http://schemas.microsoft.com/sharepoint/">
<MetaData>
<ContentTypes>
<ContentType ID="0x01" Name="Item" Group="List Content Types" Description="Create a new list item." Overwrite="TRUE">
<Folder TargetName="Item" />
<FieldRefs>
<FieldRef ID="{fa564e0f-0c70-4ab9-b863-0177e6ddd247}" Name="Title" Required="TRUE" ShowInNewForm="TRUE" ShowInEditForm="TRUE" />
<FieldRef ID="{5c928a8e-84a9-4dfd-9bf7-1a6dbdc39584}" Name="Product" Required="TRUE" />
<FieldRef ID="{e8f97c70-0b08-4d7c-91d3-34df04794da2}" Name="ProductDescription" Required="FALSE" />
<FieldRef ID="{ed4c66c1-e748-4cd8-aed2-b8cf02b18f6d}" Name="Quantity" Required="FALSE" />
</FieldRefs>
</ContentType>
<ContentTypeRef ID="0x0120" />
</ContentTypes>
<Fields>
<!-- NOTE : Here ootb title field is used for the column "Product Code" -->
<Field ID="{fa564e0f-0c70-4ab9-b863-0177e6ddd247}" Type="Text" Name="Title" DisplayName="Product Code" Required="TRUE"
SourceID="{$ListId:Lists/MyProductList;}" StaticName="Title" FromBaseType="TRUE" />
<Field Type="Text" DisplayName="Product" Description="Name of the product" Required="TRUE" EnforceUniqueValues="FALSE"
Indexed="FALSE" MaxLength="255" ID="{5c928a8e-84a9-4dfd-9bf7-1a6dbdc39584}"
SourceID="{$ListId:Lists/MyProductList;}" StaticName="Product" Name="Product" />
<Field Type="Text" DisplayName="Product Description" Description="Description of the product" Required="FALSE" EnforceUniqueValues="FALSE"
Indexed="FALSE" MaxLength="255" ID="{e8f97c70-0b08-4d7c-91d3-34df04794da2}"
SourceID="{$ListId:Lists/MyProductList;}" StaticName="ProductDescription" Name="ProductDescription" />
<Field Type="Text" DisplayName="Quantity" Description="Quantity in stock" Required="FALSE" EnforceUniqueValues="FALSE"
Indexed="FALSE" ID="{ed4c66c1-e748-4cd8-aed2-b8cf02b18f6d}"
SourceID="{$ListId:Lists/MyProductList;}" StaticName="Quantity" Name="Quantity" />
</Fields>
<Views>
<View BaseViewID="0" Type="HTML" MobileView="TRUE" TabularView="FALSE">
<Toolbar Type="Standard" />
<XslLink Default="TRUE">main.xsl</XslLink>
<RowLimit Paged="TRUE">30</RowLimit>
<ViewFields>
<FieldRef Name="LinkTitleNoMenu"></FieldRef>
</ViewFields>
<Query>
<OrderBy>
<FieldRef Name="Modified" Ascending="FALSE"></FieldRef>
</OrderBy>
</Query>
<ParameterBindings>
<ParameterBinding Name="AddNewAnnouncement" Location="Resource(wss,addnewitem)" />
<ParameterBinding Name="NoAnnouncements" Location="Resource(wss,noXinviewofY_LIST)" />
<ParameterBinding Name="NoAnnouncementsHowTo" Location="Resource(wss,noXinviewofY_ONET_HOME)" />
</ParameterBindings>
</View>
<View BaseViewID="1" Type="HTML" WebPartZoneID="Main" DisplayName="$Resources:core,objectiv_schema_mwsidcamlidC24;" DefaultView="TRUE" MobileView="TRUE" MobileDefaultView="TRUE" SetupPath="pages\viewpage.aspx" ImageUrl="/_layouts/images/generic.png" Url="AllItems.aspx">
<Toolbar Type="Standard" />
<XslLink Default="TRUE">main.xsl</XslLink>
<RowLimit Paged="TRUE">30</RowLimit>
<ViewFields>
<FieldRef Name="Attachments" />
<FieldRef Name="LinkTitle" />
<FieldRef Name="Product" />
<FieldRef Name="ProductDescription" />
<FieldRef Name="Quantity" />
</ViewFields>
<Query>
<OrderBy>
<FieldRef Name="ID"></FieldRef>
</OrderBy>
</Query>
<ParameterBindings>
<ParameterBinding Name="NoAnnouncements" Location="Resource(wss,noXinviewofY_LIST)" />
<ParameterBinding Name="NoAnnouncementsHowTo" Location="Resource(wss,noXinviewofY_DEFAULT)" />
</ParameterBindings>
</View>
</Views>
<Forms>
<Form Type="DisplayForm" Url="DispForm.aspx" SetupPath="pages\form.aspx" WebPartZoneID="Main" />
<Form Type="EditForm" Url="EditForm.aspx" SetupPath="pages\form.aspx" WebPartZoneID="Main" />
<Form Type="NewForm" Url="NewForm.aspx" SetupPath="pages\form.aspx" WebPartZoneID="Main" />
</Forms>
</MetaData>
</List>
After successful deployment of this list definition, you should be able to see/fill all the custom columns in the View/New/Edit forms of your custom product list.
Hope this helps!
