Type name: application Subtype name: alto-propmapparams+json Required parameters: n/a Optional parameters: n/a Encoding considerations: Encoding considerations are identical to those specified for the "application/json" media type. See [RFC8259]. Security considerations: Security considerations related to the generation and consumption of ALTO Protocol messages are discussed in Section 15 of [RFC7285] and Section 11 of [RFC9240]. Interoperability considerations: n/a Published specification: [RFC9240] is the specification for this media type. See Section 8.3. Applications that use this media type: ALTO servers and ALTO clients [RFC7285], either standalone or embedded within other applications, when the queried resource is a filtered property map. This media type indicates the data format used by the ALTO client to supply the property map filtering parameters. Fragment identifier considerations: n/a Additional information: Magic number(s): n/a File extension(s): n/a Macintosh file type code(s): n/a Person & email address to contact for further information: See Authors' Addresses section of [RFC9240]. Intended usage: COMMON Restrictions on usage: n/a Author: See Authors' Addresses section of [RFC9240]. Change controller: Internet Engineering Task Force (mailto:iesg&ietf.org).