# How to add new line character in the node

I wish to add the new line character in the node, however, I tried several ways, all cannot work.

\node[draw, minimum width = 2em, minimum height=1em] (a) {get \\ flight(gf)};
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Add align=center to the node's options. –  Qrrbrbirlbel Feb 15 '13 at 2:14
Or specify text width=<length> –  Harish Kumar Feb 15 '13 at 2:17
i think there's a duplicate round here somewhere... –  cmhughes Feb 15 '13 at 3:46