# SCTE-35 message insertion into currently running events
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You can use the Elemental Live REST API to insert SCTE-35 messages into an Elemental Live event that is currently running. The API supports insertion of a SCTE-35 message of type **splice\_insert** or **time signal **([Working with time signals](working-with-time-signals.md)). 

**Topics**
+ [Working with splice inserts](working-with-splice-inserts.md)
+ [Working with time signals](working-with-time-signals.md)