Member Picker

@{
    if (Model.HasValue("author"))
    {
        var member = Model.Value<IPublishedContent>("author");
        @member.Name
    }
}

@{
    if (Model.Author != null)
    {
        var member = Model.Author;
        @member.Name
    }
}

@using Umbraco.Cms.Core.Services;

@inject IContentService Services;
@{
    // Get access to ContentService
    var contentService = Services;

    // Create a variable for the GUID of the page you want to update
    var guid = Guid.Parse("32e60db4-1283-4caa-9645-f2153f9888ef");

    // Get the page using the GUID you've defined
    var content = contentService.GetById(guid); // ID of your page

    // Create a variable for the GUID of the member ID
    var authorId = Guid.Parse("ed944097281e4492bcdf783355219450");

    // Set the value of the property with alias 'author'. 
    content.SetValue("author", authorId);

    // Save the change
    contentService.Save(content);
}

@{
    // Get the page using it's id
    var content = contentService.GetById(1234); 
}

@using Umbraco.Cms.Core.PublishedCache;
@using Umbraco.Cms.Core;

@inject IPublishedSnapshotAccessor _publishedSnapshotAccessor;
@{
    var udi = Udi.Create(Constants.UdiEntityType.Member, authorId);
    
    // Set the value of the property with alias 'author'
    content.SetValue(Home.GetModelPropertyType(_publishedSnapshotAccessor, x => x.Author).Alias, udi);
}