I have a few questions about contentId

[Damon Williams]

I am looking to use Confluence to store some content strings for another applicaiton, which will pull in the strings via the getContentById REST API.

What is assigned a contentId?  Can it be something smaller than a page?  Could I have a series of 10 strings on a page that each had a distinct contentId, such as if I put each one is a different macro?  Finally, how do I find the contentId for a piece of content?

[Steven F Behnke]

Is this Confluence SERVER or Confluence CLOUD?

What is assigned a contentId

Any valid contentType. Out of the box, this includes Pages, Blog Posts, Comments, and Attachments.

Can it be something smaller than a page?

Well... Comments and Attachments I guess? 

Could I have a series of 10 strings on a page that each had a distinct contentId, such as if I put each one is a different macro?

Macros are not considered "contentTypes" so no, this is not supported out-of-the-box.

Finally, how do I find the contentId for a piece of content?

Use the API:

• The JAVA API includes the PageManager with getPageWithComments(String spaceKey, String pageTitle) method. This will return a Page object with a getContentId() method.
• The REST API includes a /content/ endpoint that allows you to specify a Space and a Page via Path Parameters: 

  /confluence/rest/api/content?title=myPage%20Title
  &spaceKey=TST

If you want to, you could extend ContentTypes in both Cloud or Server to add more flexibility for your use-case.

[Damon Williams]

Confluence Server. Does that impact your reply at all?

[Steven F Behnke]

I think at this point, all that I can say is that the API for adding new content types is different, Atlassian Connect has the ability to add new ContentTypes and of course you can extend it via the JAVA API on Confluence Server.

[Damon Williams]

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