@Bean
	public OpenApiCustomizer customerGlobalHeaderOpenApiCustomizer() {
		return openApi -> openApi.getPaths().values().stream().flatMap(pathItem -> pathItem.readOperations().stream())
				.forEach(operation -> operation.addParametersItem(new HeaderParameter().$ref("#/components/parameters/myGlobalHeader")));
	}
Customer global header open api customiser open api customiser.

@return the open api customiser
springdoc-openapi-tests/springdoc-openapi-javadoc-tests/src/test/java/test/org/springdoc/api/v30/app39/SpringDocTestApp.java