SPMeta2

var siteUrl = "http://intranet-dev";
// Define WHAT to provision - field, content types, etc.
var clientDescriptionField = new FieldDefinition
{
    Title = "Client Description",
    InternalName = "dcs_ClientDescription",
    Group = "SPMeta2.Samples",
    Id = new Guid("06975b67-01f5-47d7-9e2e-2702dfb8c217"),
    FieldType = BuiltInFieldTypes.Note,
};
var clientNumberField = new FieldDefinition
{
    Title = "Client Number",
    InternalName = "dcs_ClientNumber",
    Group = "SPMeta2.Samples",
    Id = new Guid("22264486-7561-45ec-a6bc-591ba243693b"),
    FieldType = BuiltInFieldTypes.Number,
};
// define content type
var customerAccountContentType = new ContentTypeDefinition
{
    Name = "Customer Account",
    Id = new Guid("ddc46a66-19a0-460b-a723-c84d7f60a342"),
    ParentContentTypeId = BuiltInContentTypeId.Item,
    Group = "SPMeta2.Samples",
};
// Define HOW to provision - the model binds things together
// - deploy fields under the site scope
// - deploy content type under the site scope
// - deploy field links to the content type        
var siteModel = SPMeta2Model.NewSiteModel(site =>
{
    site
        .AddField(clientDescriptionField)
        .AddField(clientNumberField)
        .AddContentType(customerAccountContentType, contentType =>
        {
            contentType
                .AddContentTypeFieldLink(clientDescriptionField)
                .AddContentTypeFieldLink(clientNumberField);
        });
});
// create SharePoint client context
var clientContext = new ClientContext(siteUrl);
// Define API to provision - deploy model to SharePoint using CSOM provision service
var csomProvisionService = new StandardCSOMProvisionService();
csomProvisionService.DeploySiteModel(clientContext, siteModel);