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External Content Library

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Providers
Secure Token Service
External Content Library includes a Security Token Service for issuing SAML tokens for SDL Tridion systems. A Security Token Service is an identity provider responsible for issuing security tokens as part of a claims-based identity system. When a client requests access to a secure software application, the application redirects it to an STS which authenticates the client and issues a security token (a SAML token). The software application then verifies that the token originated from a trusted STS.
GUI Extension
The GUI Extension displays mount points containing multimedia in an external system expose in the Content Manager or Experience Manager user interfaces of SDL Tridion.
Stub Schema
When a user adds a reference to an external multimedia, for example by creating a Multimedia Link, External Content Library generates a Stub Item and creates a reference to this Stub Item. The Stub Item that is generated is a Multimedia Component based on the ECLStubSchema created for the mount point. The Schema is located in the Stub Folder configured in ExternalContentLibrary.xml and the title of Stub Items are prefixed with ecl:.
To enable users to add external multimedia to Components, you need to add a Multimedia Link to your Schemas that has this Schema as an Allowed Schema.
Stub Folder
Multimedia Components are generated for external multimedia in the Stub Folder configured in ExternalContentLibrary.xml.