Please install symphony and download the following files: Code > umapBRCA and Results > refBRCA.RData, then you can use the following commands to map your cells to the reference:
library(symphony)
load('refBRCA.RData')
Q <- mapQuery(yourData, metadata_query = yourMetaData, ref_obj = clBRCA)
Q <- knnPredict(Q, clBRCA, clBRCA$meta_data$cellLine, k = 5)The object Q will contain the learned cell line for each cell used as input.