MIseq-Paired End Data Barcodes

Question

[guptavipin142]

Hello Folks,

My vendor gave me file for paired end data like this

@M04631:335:000000000-CDFRH:1:2106:7814:1782 1:N:0:ATGCGCAG+AAGGCTAT
CCTACGGGGGGCAGCAGTCGGGAATTTTGGTCAATGGGCGAAAGCCTGACCCAGCCACGCCGCGTGAAGGATGAATTATTTCGGTATTTTAACTTCGTATTATTGGGAAGAATAAATGACTGTACCTTTTATAAGGTCCGTCTAACTACGTTCCAGCAGCCGCGGTAATACGTAGGGACCAAGCGTTGTTCGGATTTACTGGGCGTAAAGGGCGCGTAGGCGGCCTAACAAGTCACTTGTGAAATCTCCGGGCTTAACTCGGAATGGCCAAGTGAAACTGTCAGGCTAGAGTGCAGAAGGG
+
C@CCCGDB5=@1+,894C8,477+:=EE<+-:--C<,=<C::+=<BF,,,?=88E+,,+3=:>=C7+8,@8@,,,,<,38@9,*C7D93,8F,<@,*,,,33,<<<,,?>3::A?,8,,<,8@,,,,@F:;F,,,88,8<*=F*82>,2=<,<,,,<,<FGC*:8:/::<:FCFCGCF5:88/;CGEEEFGDGGGGGFFFFEFFEG8E>?7CECEEEE>8@?E88;*88<+;<:9:9:CF@>0?F0<9+)1?*/;8<<:+;9?<*0C*+92;:F@FGGCGFF<@65F*/3CE*-:<9/0>D
@M04631:335:000000000-CDFRH:1:2106:16910:1792 1:N:0:ATGCGCAG+AAGGCTAT
CCTACGGGAGGCAGCAGTAAGGAATATTGCACAATGTGCGCAAGCCTGATCCAGCCATACCGCGTGCAGGAAGAATGTCCTTTTTTTTTTAAACTCCTTTTATATGGGAAGAATGGCTTCTTCTTTTCGCATTTTGACTTTACCATACTACTAAGCACCGGCTAACTCCGTGCCATCAGCCGCGGTAATACGTAGCGTGCGAGCGTTAATCGGAATTACTGGGCGTAAAGCGTGCGCAGGCGGTTTGCTAAGATAGGTGTGAAATCACAGAGCTTAACCTGGGAACGGCGGTTGTGATTAG
+

I am processing the data with qiime2 but not sure what value to be used for barcodes in metadata for each forward and reverse file. Any help will be useful

[GenoMax]

Index sequences for R1 and R2 are present in the fastq header.

e.g. ATGCGCAG+AAGGCTAT represent R1_index+R2_index