DS line Dimension Contend read

Hi @all,

i would like do read from a DataSource Content dimensions

First column is Post-Code second column is Type, no measures

Post-Code         Type

4562                   K

3459                   P

5984                   F

8420                   K  ect.

Now i want to read the type on the Basis of the postal code

5984  ==   "F"

I hope somone has  info or a solution

thanks a lot

br harry