Get documentation version
apigateway_get_documentation_version(restApiId, documentationVersion)
[required] [Required] The string identifier of the associated RestApi.
[required] [Required] The version identifier of the to-be-retrieved documentation snapshot.
A list with the following syntax:
list( version = "string", createdDate = as.POSIXct( "2015-01-01" ), description = "string" )
svc$get_documentation_version( restApiId = "string", documentationVersion = "string" )