cel: Add xsd configuration option to input. (elastic#11602)

* Add xsd configuration option to input.

Author: kcreddy

packages/cel/agent/input/input.yml.hbs

@@ -21,6 +21,11 @@ regexp:
  {{regexp}}
 {{/if}}
 
+{{#if xsd}}
+xsd:
+ {{xsd}}
+{{/if}}
+
 {{#if username}}
 auth.basic.user: {{username}}
 {{/if}}

packages/cel/changelog.yml

@@ -1,3 +1,8 @@
+- version: "1.13.0"
+ changes:
+ - description: Add xsd configuration option inside input.
+ type: enhancement
+ link: https://github.com/elastic/integrations/pull/11602
 - version: "1.12.0"
  changes:
  - description: ECS version updated to 8.11.0. Update the kibana constraint to ^8.13.0. Modified the field definitions to remove ECS fields made redundant by the ecs@mappings component template.

packages/cel/manifest.yml

@@ -3,7 +3,7 @@ name: cel
 title: Custom API using Common Expression Language
 description: Collect custom events from an API with Elastic agent
 type: input
-version: "1.12.0"
+version: "1.13.0"
 categories:
  - custom
 conditions:
@@ -90,6 +90,27 @@ policy_templates:
  default: |
  #products: '(?i)(Elasticsearch|Beats|Logstash|Kibana)'
  #solutions: '(?i)(Search|Observability|Security)'
+ - name: xsd
+ type: textarea
+ title: XML Schema Definitions (XSD) for XML documents.
+ description: |
+ The XSD needed for correct parsing and ingestion of XML documents using decode_xml CEL extension.
+ More information can be found in the [documentation](https://www.elastic.co/guide/en/beats/filebeat/current/filebeat-input-cel.html#xsd-cel).
+ show_user: false
+ multi: false
+ required: false
+ default: |
+ # order: |
+ # <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
+ # <xs:element name="order">
+ # <xs:complexType>
+ # <xs:sequence>
+ # <xs:element name="sender" type="xs:string"/>
+ # <xs:element name="address">
+ # <xs:complexType>
+ # <xs:sequence>
+ # <xs:element name="name" type="xs:string"/>
+ # <xs:element name="company" type="xs:string"/>
  - name: username
  type: text
  title: Basic Auth Username