JSON-LD GTM Tag for BlogPosting

by Tash   Last Updated July 19, 2018 09:04 AM

I'd like to do schema markup for my wordpress blog in Google Tag Manager. I've integrated the variables for Image url and Date Published into my JSON-LD GTM Tag, but I get an error in the Google Structured Data Testing Tool saying:

url - false (The value provided for image.url must be a valid URL.)

datePublished - false (Cannot understand the value false as a date/time. Learn more about date/time formats.)

Can you please help me to find out what do I do wrong?

Here is a part of my tag: enter image description here

My variable for Image Blog enter image description here

My variable for Date Published: enter image description here

Error in the Google Testing Tool: enter image description here

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