prs/prs.mobile.new/PRS.Mobile/Modules/Site/SiteForms/SiteForms.xaml

<?xml version="1.0" encoding="utf-8"?>

<local:SitePage xmlns:local="clr-namespace:PRS.Mobile" xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="PRS.Mobile.SiteForms"
             Title="Site Forms">
    
    <local:SitePage.PrimaryMenu>
        <ImageButton Source="plus"  Clicked="AddForm_Clicked"/>
    </local:SitePage.PrimaryMenu>
    
    <local:SitePage.PageContent>
        <local:ExistingForms x:Name="_forms" FormTapped="_forms_OnFormTapped" Margin="5"/>
    </local:SitePage.PageContent>
</local:SitePage>