Task: Split In Batches node currentRunIndex example

n8n workflow JSON:
{"nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[430,310],"parameters":{},"typeVersion":1},{"name":"Function","type":"n8n-nodes-base.function","position":[630,310],"parameters":{"functionCode":"const newItems = [];\n\nfor (let i=0;i<10;i++) {\n  newItems.push({json:{i}});\n}\n\nreturn newItems;"},"typeVersion":1},{"name":"SplitInBatches","type":"n8n-nodes-base.splitInBatches","position":[830,310],"parameters":{"options":{},"batchSize":1},"typeVersion":1},{"name":"IF","type":"n8n-nodes-base.if","position":[1030,460],"parameters":{"conditions":{"number":[{"value1":"={{$node[\"SplitInBatches\"].context[\"currentRunIndex\"];}}","value2":5,"operation":"equal"}],"boolean":[]}},"typeVersion":1},{"name":"Set","type":"n8n-nodes-base.set","position":[1230,360],"parameters":{"values":{"string":[{"name":"Message","value":"Loop Ended"}]},"options":{},"keepOnlySet":true},"typeVersion":1}],"connections":{"IF":{"main":[[{"node":"Set","type":"main","index":0}],[{"node":"SplitInBatches","type":"main","index":0}]]},"Function":{"main":[[{"node":"SplitInBatches","type":"main","index":0}]]},"SplitInBatches":{"main":[[{"node":"IF","type":"main","index":0}]]},"On clicking 'execute'":{"main":[[{"node":"Function","type":"main","index":0}]]}}}