The default image is set like this:
plugin.tx_csseo {
social.defaultImage = EXT:my_ext/Resource/Public/Frontend/Assets/images/default-image.svg
}
And I also set the image in TCEFORM tab SEO for my extended model:
tx_csseo_domain_model_meta][xxx][og_image] = fileadmin/image_set_with_tceform.jpg
The result is two meta-tags for "og:image":
<meta property="og:image" content="https://mysite.com/fileadmin/_processed_/a/d/image_set_with_tceform.jpg">
<meta property="og:image" content="https://mysite.com/_assets/e16fdc39dbd453b823f5542efedb5595/Frontend/Assets/images/default-image.svg">
The default image is set like this:
And I also set the image in TCEFORM tab SEO for my extended model:
tx_csseo_domain_model_meta][xxx][og_image] = fileadmin/image_set_with_tceform.jpgThe result is two meta-tags for "og:image":