Choosing the  "Hide from Discovery" category 

To hide or unhide an identity provider using Federation manager, follow these steps:

1. Sign into to Federation Manager and click "Update" next to your IdP. 

2. Scroll down to the section labeled Entity Attributes. See image below: 

3. Under the Assert Column check the box for for the row labeled "Hide From Discovery".

4. Click the Submit to commit your changes.

Further reading

• Hide from Discovery category
• entity-categories
• Test IdPs in Metadata