You can create variables with <-:

eyJsYW5ndWFnZSI6InIiLCJzYW1wbGUiOiJhIDwtIDJcbmIgPC0gMyJ9
eyJsYW5ndWFnZSI6InIiLCJwcmVfZXhlcmNpc2VfY29kZSI6ImMgPC0gNFxubGlicmFyeShzdHJpbmdyKSIsInNhbXBsZSI6ImEgPC0gMlxuYiA8LSAzIn0=
eyJsYW5ndWFnZSI6InIiLCJwcmVfZXhlcmNpc2VfY29kZSI6ImIgPC0gNSIsInNhbXBsZSI6IiMgQ3JlYXRlIGEgdmFyaWFibGUgYSwgZXF1YWwgdG8gNVxuXG5cbiMgUHJpbnQgb3V0IGEiLCJzb2x1dGlvbiI6IiMgQ3JlYXRlIGEgdmFyaWFibGUgYSwgZXF1YWwgdG8gNVxuYSA8LSA1XG5cbiMgUHJpbnQgb3V0IGFcbmEiLCJzY3QiOiJ0ZXN0X29iamVjdChcImFcIilcbnRlc3Rfb3V0cHV0X2NvbnRhaW5zKFwiYVwiLCBpbmNvcnJlY3RfbXNnID0gXCJNYWtlIHN1cmUgdG8gcHJpbnQgb3V0IGBhYC5cIilcbnN1Y2Nlc3NfbXNnKFwiR3JlYXQhXCIpIn0=
eyJsYW5ndWFnZSI6InIiLCJwcmVfZXhlcmNpc2VfY29kZSI6ImxpYnJhcnkoZ2dwbG90MikiLCJzYW1wbGUiOiIjIEZpZ3VyZSAxXG5nZ3Bsb3QobXRjYXJzLCBhZXMoeD1tcGcsIHk9d3QsIGNvbD1mYWN0b3IoY3lsKSkpK1xuICBnZW9tX3BvaW50KCkifQ==
eyJsYW5ndWFnZSI6InIiLCJwcmVfZXhlcmNpc2VfY29kZSI6ImxpYnJhcnkoZ2dwbG90MikiLCJzYW1wbGUiOiIjIEZpZ3VyZSAyXG5nZ3Bsb3QobXRjYXJzLCBhZXMoeD1tcGcsIHk9ZHJhdCwgY29sPWZhY3RvcihjeWwpKSkrXG4gIGdlb21fcG9pbnQoKSJ9

Here is an example:

https://www.dropbox.com/s/exh4iobbm2p5p1v/fin_research_note.csv

The file name is at the very end (fin_research_note.csv) and the key is the string of letters and numbers in the middle (exh4iobbm2p5p1v). Now we have all of the information we need for source_DropboxData:

FinDataFull <- repmis::source_DropboxData(“fin_research_note.csv”, “exh4iobbm2p5p1v”, sep = “,”, header = TRUE)

eyJsYW5ndWFnZSI6InIiLCJwcmVfZXhlcmNpc2VfY29kZSI6ImFkdmVydGlzaW5nIDwtIHJlYWQuY3N2KCdodHRwczovL3d3dy5kcm9wYm94LmNvbS9zL202amg1a3NwaWFubTIxNS9hZHZlcnRpc2luZy5jc3Y/ZGw9MScpXG5saWJyYXJ5KGRhdGEudGFibGUpXG5saWJyYXJ5KGdncGxvdDIpXG4jYWR2ZXJ0aXNpbmciLCJzYW1wbGUiOiJnZ3Bsb3QoYWR2ZXJ0aXNpbmcsIGFlcyh4PXJhZGlvLCB5PXNhbGVzKSkrXG4gIGdlb21fcG9pbnQoY29sb3VyID0gXCJibHVlXCIsIHNpemUgPSAxLjUpK1xuICBzY2FsZV95X2NvbnRpbnVvdXMobGltaXRzPWMoMCw1MCkpK1xuICBzY2FsZV94X2NvbnRpbnVvdXMobGltaXRzPWMoMCwzMDApKStcbiAgdGhlbWUocGxvdC50aXRsZSA9IGVsZW1lbnRfdGV4dChoanVzdCA9IDAuNSkpICtcbiAgZ2d0aXRsZShcInJhZGlvIGFkIGJ1ZGdldCBhbmQgc2FsZXMgcmVsYXRpb25zaGlwXCIpIn0=