Specification
Learn about the technical specifications and limitations for using @mentions in social media posts within Content Scheduler.
Instagram for Business
        |  | Specification type | 
| Supported mention type | Instagram business and creator profiles only | 
| Maximum mentions per post | 20 | 
| Mention format | @username (must match a valid Instagram handle) | 
| Formatting rule | Use underscores (_) or dashes (-) instead of spaces (example, @Adobe_Express) | 
| Mention suggestions | Appears in Caption field while typing | 
| Validation | Handles validated via Instagram’s API | 
| Mention behaviour | Clickable tags: tagged profiles notified after publishing | 
| Limitation | Cannot tag personal or private profiles | 
X (formerly Twitter)
| Specification | Specification type | 
| Supported mention type | Public X (Twitter) profiles only | 
| Maximum mentions per post | 20 | 
| Mention format | @username | 
| Formatting rule | Use underscores (_) or dashes (-) instead of spaces | 
| Mention suggestions | Appears in Caption field while typing | 
| Validation | Handles validated via X’s API | 
| Mention behaviour | Renders as links; tagged users receive notifications | 
| Limitation | Protected accounts cannot be tagged | 
| Specification | Specification type | 
| Supported mention type | LinkedIn organization pages only | 
| Maximum mentions per post | 20 | 
| Mention format | @organization-name | 
| Formatting rule | Use underscores (_) or dashes (-); spaces not allowed | 
| Mention behaviour | Linked if matched to an org page | 
| Limitation | Cannot mention personal profiles | 
| API limitation | Only organization pages can be tagged | 
| Specification | Specification type | 
| Supported mention type | Facebook Pages only | 
| Maximum mentions per post | 25 | 
| Mention format | @PageName | 
| Formatting rule | Use underscores (_) or dashes (-); spaces not allowed | 
| Mention behaviour | Links to public Pages if matched | 
| Limitation | Cannot tag personal profiles | 
| API limitation | Mentions only work for Pages | 
| Specification | Specification type | 
| Mention support | Not supported | 
TikTok
| Specification | Specification type | 
| Mention support | Not supported | 
Learn how to tag handles while publishing posts with Social mentions.