Resource
This is a ROS message definition.
Source
# This message is used to specify a resource, either by a URI or by its string content.
string uri # If uri field is empty, resource_string must not be empty.
string resource_string # An entity definition file passed as a string, only used if uri is empty.
# If uri field is not empty, resource_string field will be ignored.
# Simulators may support spawning from a file generated on the fly (e.g. XACRO).