FlowFiles square measure the center of NiFi and its dataflows. A FlowFile could be a knowledge record, that consists of a pointer to its content and attributes that stick out to the content. The content is that the pointer to the particular knowledge that is vertebrate handled and therefore the attributes square measure key-value pairs that battle as information for the flow file. a number of the attributes of a flow file square measure file name, UUID, MIME Type, etc.