The id of the primary blog associated with a user creating, updating, or deleting a post. It is functionally identical to tumblr.blog.id.

For likes and unlikes, use the tumblr.source.blogid target.


  1. Filter for new content in a list of blogs:

tumblr.blogid in "123456789, 987654321, 888888888" and
tumblr.activity == "CreatePost"

Resource information

Target service: Tumblr

Type: string

Array: No

Always exists: No